Cycling Shoes

Schurter fans and cross-country addicts, come and see the light(weight)! Thanks to input from Nino Schurter, we have the lightest, stiffest and most exotic shoe for you. Our ultra minimalist SCOTT MTB RC SL Carbitex shoe is built on an HMX carbon sole with a Corecell foam core for even more weight savings and ultimate power transfer. Dual BOA IP-1 dials secure the Carbitex carbon fiber uppers for a highly conforming fit. A super outsole with minimal Sticki rubber tread completes this world-beating race shoe. - Zero loss of power - Extreme Stiffness - index 10 - Carbitex upper - HMX carbon sole - Ultra lightweight - BOA system w/ micro adjustment - Sticki Rubber - ErgoLogic adjustable insole

Racers and Strava KOM junkies, come and see the light(weight)! When only the lightest, stiffest and most exotic will do, we have the shoe for you. Our ultra minimalist SCOTT Road RC SL Carbitex shoe is built on an HMX carbon sole with a Corecell foam core for even more weight savings. Dual BOA IP-1 dials secure the Carbitex carbon fiber uppers for a highly conforming fit that allows you to transfer all your energy to the pedals. - Zero loss of power - Extreme Stiffness - index 10 - Carbitex upper - HMX carbon sole - Ultra lightweight - BOA system w/ micro adjustment

Brave the most extreme winter conditions and never worry about your feet with 45NRTH's Wølfgar Winter Cycling Boot. They will keep your feet warm down to -25ºF and keep out the harshest of winter days and nights. Whether you're heading out on a multi-day expedition or groomed singletrack session, the removable felted wool liner boot wicks moisture away from your feet while retaining its insulating properties. On long rides, carry a spare liner to swap out for a fresh, dry pair. Precise placement of aerogel under the foot and over the toe blocks cold and wind from chilling your feet. The 2-bolt compatible Vibram outsole is custom studdable to claw into the ice when things get slick.

Technology and comfort intersect in the SCOTT MTB RC Ultimate. We've combined Carbitex, a structural carbon fiber fabric with a textile mesh for superior comfort and breathability in the upper. HMX carbon fiber with a Corecell foam core provides unrivaled stiffness, light weight, and ultimate power transfer in the sole. A super light outsole with minimal Sticki rubber tread unites all the benefits of our lightest, most exotic materials in this all-day shoe for elite racers. - Zero loss of power - Extreme Stiffness - index 10 - Carbitex straps - HMX carbon sole - Ultra lightweight - BOA system w/ micro adjustment - Sticki Rubber - ErgoLogic adjustable insole

Technology and comfort intersect in the SCOTT Road RC Ultimate shoe. We've combined Carbitex, a structural carbon fabric, with a textile mesh for superior comfort and breathability in the upper while allowing you to transfer all your energy to the pedals. HMX carbon fiber with a Corecell foam core provides unrivaled stiffness and lightweight in the sole. All the benefits of our lightest, most exotic materials are wrapped into this all-day shoe for elite racers and Fondo riders alike. - Zero loss of power - Extreme Stiffness - index 10 - Carbitex straps - HMX carbon sole - Ultra lightweight - BOA system w/ micro adjustment

Perfectly fitting with class-leading comfort and unmatched power transfer, the Infinito R1 road cycling shoes deliver ultimate race performance. Infinito R1’s new Infinito Closure System, superior stiffness, weight-saving materials and the intelligent implementation of new technology combine for the pinnacle of performance road shoe design. With Dynamic Arch Support technology’s structure and the Increased Volume Control system, which shapes the whole shoe’s upper directly around the foot’s profile, Infinito R1 fits any rider precisely, easily and comfortably. The Infinito Closure System uses two micro-adjustable double Boa IP1-B dials with steel-coated nylon laces in an infinite configuration that adjusts the upper on the forefoot. The textile guides eliminate pressure points, providing optimum adaptable comfortable fit for high-power, high-intensity riding. Infinito R1’s 1.2mm Laser Perforated Microtex upper features minimal seams and stitching and is the ideal blend of breathability, strength, flexibility and support. It harmonises with the new mesh footbed insole for the best possible ventilation and enhanced comfort. Its laterally stiff, light, Uni Direction Full Carbon Outsole is ventilated for maximum temperature control, and designed for ultimate power transfer from any riding style. Infinito R1 is fi’zi:k’s range-topping shoe, and benefits from the latest technologies, materials and improved design based on feedback and input from some of the world’s leading pro riders. Infinito R1: ultimate race performance. Perfect. Perfected. Specifications - Materials: Microtex Laser Perforated - Outsole: Full UD Carbon Vented - Closure system: Double Infinito IP1-B - Insole: Infinito footbed - Weight: 232g (size 42.5) - Sizes: 37-47 and 48

Perfectly fitting with maximum ventilation, class-leading comfort, and unmatched power transfer, the Infinito R1 Knit road cycling shoe delivers ultimate race performance. Infinito R1 Knit is the first knitted pro cycling shoe ever. Along with its unique knitted material, the all-new Infinito Closure System, superior stiffness, weight-saving materials and the intelligent implementation of new technology make it the pinnacle of performance road shoe design. The knit material is highly breathable, for superior temperature management and enhanced comfort. It is extremely light yet strong and supportive and looks amazing and dynamic. With Dynamic Arch Support technology’s structure and the Increased Volume Control system, which shapes the whole shoe’s upper directly around the foot’s profile, Infinito R1 Knit fits any rider precisely, easily and comfortably. The Infinito Closure System uses two micro-adjustable double Boa IP1-B dials with steel-coated nylon laces in an infinite configuration that adjusts the upper on the forefoot. The textile guides eliminate pressure points, providing optimum adaptable comfortable fit for high-power, high-intensity riding. It harmonizes with the new mesh footbed insole for the best possible ventilation and enhanced comfort. Its laterally stiff, light, Uni Direction Full Carbon Outsole is ventilated for maximum temperature control, and designed for ultimate power transfer from any riding style. Infinito R1 Knit is fi’zi:k’s range-topping shoe, and benefits from the latest technologies, materials and improved design based on feedback and input from some of the world’s leading pro riders. - Materials: Unique new Knitted Material - Outsole: Full UD Carbon Vented - Closure system: Double Infinito IP1-B - Insole: Infinito footbed - Weight: 255g (size 42.5) - Sizes: 37-47 and 48

Welcome to the lightweight revolution with Prolight Techlace, the only 150-gram cycling shoe with pro-level performance. The Prolight Techlace combines exceptional stiffness, fast adjustability, and incredible weight savings. To get these benefits, Giro focused on three key areas: an ultralight upper made with a technical monofilament mesh with Teijin TPU welded reinforcement that doesn't stretch under power; the Techlace closure system that combines the comfort of laces with on-the-fly adjustability; and finally, the TeXtreme carbon fiber outsole. This unconventional composite is woven in flat sheets instead of threads, producing a carbon fiber that's ultra-stiff, yet lighter because it requires less resin. When every gram matters and every second counts, Prolight Techlace amplifies your performance. - Techlace Pro retention - Teijin welded SL technical monofilament mesh - TeXtreme advanced carbon fiber outsole - Bonded walking pad - Titanium hardware - Prolight footbed - Prolight SuperNatural Fit Kit with adjustable arch support - X-Static anti-microbial fiber - Travel bag included - Weight: 150 grams (size 42.5)

Simply Bontrager's fastest, most advanced mountain shoe ever. Designed for those that demand the most of themselves and their equipment, XXX MTB is an exceedingly light and stiff, zero-compromises trail shoe. Boa dial closures provide a superior fit while GnarGuard, Tachyon rubber, and a super-stiff carbon outsole bolster XXX MTB's performance. - inForm Pro last delivers an ergonomically optimized, high-performance fit - Platinum Series carbon delivers our lightest and stiffest sole with grippy Tachyon rubber - Dual, independent Boa IP1 dials for zone-specific adjustability - Stiffness index 14 of 14 - Premium Clarino microfiber upper for lightweight, durable, and supportive comfort - No-slip heel lining

For the world's most discerning feet The most sophisticated cycling shoe on the planet. XXX is professional grade from heel to toe. Meticulously constructed of the most luxurious materials available, XXX is renowned for its tailored fit and unparalleled pedaling efficiency. It's this attention to detail that has made XXX one of the most sought after shoes by the world's best riders. Key features - inForm Pro last delivers an ergonomically optimized, high-performance fit - Platinum Series carbon delivers our lightest and stiffest sole - Dual, independent Boa IP1 dials for zone-specific adjustability - Stiffness index 14 of 14 - Premium Clarino microfiber upper for lightweight, durable, and supportive comfort - Ergonomic inForm footbed is engineered for all-day comfort and support - No-slip heel lining Details - Upper Fiber Content 41% Polyester / 29.5% Nylon / 29.5% PU - Sole Fiber Content 100% Carbon - Liner Fiber Content 50% Polyester / 40% Cotton / 10% TPU

Lighter. Stronger. Faster. Designed for speed and comfort, the Vaypor S once again redefines the standards of pro level road cycling shoes. Bont's latest flagship shoe has been further refined to improve on their already industry leading standards. Whether you are a pro racer or simply a rider who demands the finest, the Vaypor S will provide the most anatomically and biomechanically correct platform with the most efficient power transfer platform currently available. - 100% carbon monocoque chassis utilizing hand-laid unidirectional carbon and Bont's proprietary heat molding technology - Duralite upper & suede leather liner - 3.6mm stack height - Frontal area air vents - Innersole: EVA thermo-moldable - Sole Guards: replaceable heel guard - Padding: memory foam - Fully heat-moldable monocoque chassis - Cleat mounting: 3-hole Look configuration plus mm grid plus grip - Closure System: Dual Dial System with replaceable Kevlar Wiring - Weight: 230 grams (approximate weight based on size 42 shoe)

When you have your sights on the podium, Shimano’s R321 shoe ensures the interface between your body and bike is seamlessly without compromise. Its woven carbon fiber sole utilizes a hollow channel feature to decrease weight and increase power transfer capabilities, giving you an ultra-lightweight platform that sends every watt to the pedal. You'll be blown away by the personalized, foot-stabilizing fit that comes from the heat-moldable Teijin Avail 100 synthetic-leather surround upper, Custom-Fit ergonomic heel cup, and customizable arch support insert. Even the top strap has adjustable anchor points to offer support exactly where you need it for comfort and power transfer. When fractions of a second determine victory or defeat, trust Shimano’s R321 to help you get your tire across the line first.

Garneau's Course Air Lite road cycling shoes are the lightest shoe in the Louis Garneau lineup. The Carbon HM X-Lite outsole with titanium inserts is ultra-light and rigid for unbeatable power transfer, and the 4.3mm carbon platform brings your feet closer to the pedal for lower stack height and a better connection to the bike. The BOA IP1 attach system offers infinite levels of micro-adjustment, creating a perfect fit. The Louis Garneau patented air channel system pulls in air at the front and channels it through the shoe where it exits at the heel, creating an airflow inside the shoe that keeps feet cool. Weighing barely 7.8oz (222g) for a size 42 shoe, the Course Air Lite cycling shoe offers optimal comfort, spectacular performance, and the highest ventilation, all at an incredible low weight.

Made with elite, racing-oriented riders in mind, the SCOTT Road RC shoe is primed for pure speed. It features a matte finish asymmetric welded microfiber & mesh conforming upper. The shoe offers a dual-zone Boa® IP1 lacing system, allowing on-the-fly adjustability in two separate segments. For optimal sole support, the ErgoLogic insole features an adjustable arch support and metatarsal button. The stiff HMX carbon fiber sole has a stiffness index of 10 (our stiffest, for pure efficiency). - Extreme Stiffness - index 10 - HMX carbon sole - Ultra lightweight - BOA system w/ micro adjustment - Sticki Rubber - ErgoLogic adjustable insole

You’ve seen camo done countless other ways, but you’ve never seen camo like this. Inspired by your dorm room lava lamp, this limited-edition Empire SLX features a reflective lava graphic that will turn heads both day and night. At just 175 grams (size 42.5), the Empire SLX sets the standard for lightweight cycling footwear. Yet it doesn’t compromise the structure or stiffness needed to put full power to the pedals thanks to a combination of exceptional fit, an Evofiber SL one-piece upper, and the Easton EC90 SLX2 high-modulus outsole. And with replaceable heel pads, full titanium hardware and Giro's adjustable SuperNatural Fit Kit, these are full-featured shoes built to win, and built to last. - Included Accessories: Spare Laces, Shoe Bag - Upper: One-Piece Upper Design, Premium Evofiber SL Breathable Microfiber, Empire Laces: Holds a Knot, Durable, and Light - Outsole: Easton EC90 SLX2 High-Modulus Carbon, Titanium Hardware, Replaceable Heel Pads - Footbed: Ultralight SuperNatural Fit Kit with Adjustable Arch Support, Ultralight Footbed, X-Static Antimicrobial Fiber, Travel Bag Included - Weight: 175 grams (size 42.5 with Ultralight footbed)

The Factor Techlace HV+ is a race-bred cycling shoe that couples the benefits of Giro's Techlace system with the easy adjustment of a Boa dial, plus the performance you expect from Giro—all at an impressively low weight—in a fit created specifically for wide/high-volume feet. The Techlace system replaces D-rings and other hardware with laces, providing a more supple feel across the forefoot, and the laces can be easily replaced if damaged. The Boa IP1 dial offers fast, intuitive adjustment in 1mm increments when tightening or loosening. The Factor Techlace upper is constructed with Evofiber SL, which is durable yet highly breathable. Inside the shoe, Giro's SuperNatural Fit footbed features adjustable arch supports to personalize fit, comfort, and pedaling efficiency. Power transfer is bolstered by the Easton EC90 SLX2 carbon fiber outsole, which is among the lightest, thinnest, and stiffest pedaling platforms on the road, giving you a direct connection to the pedals. - One-piece upper design - Premium Evofiber SL breathable Teijin microfiber upper - Techlace + Boa IP1 dial (1 mm +/- with macro release) - High-volume fit - Easton EC90 SLX2 high-modulus carbon outsole - Steel hardware - Replaceable heel pads - SuperNatural Fit Kit with adjustable arch support - X-Static anti-microbial fiber in footbed - Travel bag included - Weight: 220 grams (size 42.5)

The Factress Techlace is Giro's lightest weight women’s road shoe, featuring a revolutionary closure system that couples the benefits of laces with the convenience of a dial. The Techlace system replaces D-rings and other hardware with laces, providing a more supple feel across the forefoot, and the laces can be easily replaced if damaged. The Boa IP1 dial offers fast, intuitive adjustment in 1mm increments when tightening or loosening. The Factress Techlace has all the performance you’d expect from Giro: The upper is constructed with Evofiber SL, which is durable yet highly breathable. Inside the shoe, the SuperNatural Fit footbed features adjustable arch supports to personalize fit, comfort and pedaling efficiency. Power transfer is bolstered by the Easton EC90 SLX2 carbon fiber outsole, which is among the lightest, thinnest and stiffest pedaling platforms on the road, giving you a direct connection to the pedals. - One-piece upper design - Premium Evofiber SL breathable Teijin microfiber - Techlace + Boa IP 1 dial (1mm +/- with macro release) - Easton EC90 SLX2 high-modulus carbon - Steel hardware - Replaceable heel pads - Super Natural Fit Kit with adjustable arch support - X- Static anti-microbial fiber - Travel bag included - Weight: 210 grams (size 42.5)

When the competition heats up and every gram matters, this unbelievably light shoe pairs a barely-there feel with unrivaled performance and breathability. - 1:1 Anatomic Tri Closure eliminates hot spots and removes pressure from your forefoot (patent pending) - Advanced 3-Layer Seamless Composite Upper offers exceptional breathability and eliminates hot spots by adapting to your unique foot shape - Unibody construction eliminates traditional lasting board to deliver super low 5mm stack height for maximum pedaling efficiency - 1:1 Integrated Carbon Power Plate delivers feather-light stiffness (stiffness rating of 13) - Dual density EVA insole provides excellent longitudinal and transverse arch support - Oversized heel pull offers easy on/off performance during critical transition times - Replaceable heel bumper

Pearl's lightest, stiffest, and most breathable shoes, the P.R.O. Leader v4 features groundbreaking technology top to bottom. The high-tech seamless upper minimizes pressure points by eliminating all stitching. An asymmetric closure places dual IP-1 Boa reels slightly off-center to avoid sensitive areas on top of the foot. The sole and upper are joined using a unique unibody construction to deliver a super low 5mm stack height for a powerful pedal stroke. Electroplating provides an unexpected flash of color to the bottom of this high performance shoe. - Advanced 3-Layer Seamless Composite Upper offers exceptional breathability and eliminates hot spots by adapting to your unique foot shape - NEW 1:1 Zero Distraction Upper Fit mitigates foot discomfort by avoiding the soft tissue running along the top of the foot - Unibody construction eliminates traditional lasting board to deliver super low 5mm stack height for maximum pedaling efficiency  - Zonal Bi-directional Closure wraps the foot for a semi-custom fit and secure foot retention - Double Boa IP1 reels allow 1mm micro-adjustability and pop up for full release  - 1:1 Integrated Carbon Power Plate delivers feather-light stiffness (stiffness rating of 13) - 1:1 Insole System allows independent left and right arch and forefoot varus canting adjustability for optimal pedaling mechanics - Replaceable heel bumper Weight: 265 g (size 43) - Shoe bag included

Pearl Izumi's highest performance update to the revolutionary mountain bike shoe that was the first to deliver podium-worthy pedaling combined with no compromise off-the-bike hike-ability and traction. - Completely re-engineered carbon composite sole does what no other can: delivers uncompromising pedaling performance and confident off-the-bike hike-ability - Advanced 3-Layer Seamless Composite Upper offers exceptional breathability and eliminates hot spots by adapting to your unique foot shape - Zonal Bi-directional Closure wraps the foot for a semi-custom fit and secure foot retention - Double BOA IP1 reels allow 1mm micro-adjustability and pop up for full release - Co-molded carbon rubber tips on hollow TPU lugs provide impressive traction on an extremely lightweight bottom unit - EVA foam heel absorbs impact for off-the-bike comfort - 1:1 insole system allows independent left and right arch and forefoot varus canting adjustability for optimal pedaling mechanics

Meet the king of the mountain! Scott's MTB Premium shoes offer a dual-zone Boa IP1 lacing system that delivers unbeatable comfort and on-the-fly adjustability. The asymmetrical upper is perforated, breathable microfiber airmesh, and conforms to your feet with an adaptive fit pattern. ErgoLogic insoles feature Poron shock damping, adjustable arch support, and a removable metatarsal button. Carbon soles transfer your power cleanly and smoothly, while aggressive TPU lugs grip the trail when you're not on the bike.

45NRTH teamed up with Red Wing leather to create a limited edition boot with a heritage look. This boot retains all the technical features of the original Wolvhammer. The Wolvhammer transcends traditional cycling footwear, drawing conceptual inspiration from mountaineering boots. They've removed the outer zipper and Velcro in favor of a lace-up design with a gusseted tongue to keep wet winter weather out and warmth in. The full-grain leather and ballistic nylon shell provides a durable barrier while the waterproof membrane protects your feet from the elements. Aerogel in the foot bed blocks cold cleats from chilling your toes. When the snow gets deep, pair them with Bergraven Gaiters (sold separately) with the dedicated hook in the toe-box.

From Bont's cycling heritage born on the boards of velodromes, the Vaypor Classic has been created to encapsulate state of the art technology together with the simplicity and elegance of old school lacing in this road cycling shoe. Stiff resin—that is easily moldable at relatively low temperatures—lets you use a conventional oven to fine-tune the snug fit. An Anti-Stretch material ensures the Classics maintain a supportive structure on the top of the foot to assist in pedaling efficiency. Your arches, heels, and forefeet are all supported to ensure a neutral position that protects your knees. High density memory foam padding offers comfort while vents improve airflow to keep you cool through hot days and hard efforts. With their anatomical shape, micro-adjustable buckles, and micro-grids on the soles that help you fine tune your cleat placement, you’re bound to love this fit.

For racing and high-speed cross-country rides, the SCOTT MTB RC Lady shoe is as fast as it looks. It features an asymmetric microfiber and nylon airmesh conforming upper. The shoe offers a dual-zone BOA IP-1 lacing system that delivers ultimate comfort and response, allowing on-the-fly adjustability in two separate portions. The ErgoLogic insole features an adjustable arch support and metatarsal button. A super light outsole with minimal Sticki rubber tread unites all the benefits of our lightest, most exotic materials in this all-day shoe for elite racers. Made for pure stiffness and pedaling efficiency, the carbon fiber outsole has a stiffness index of 10. - Women's specific design - Extreme Stiffness - index 10 - HMX carbon sole - Ultra lightweight - BOA system w/ micro adjustment - Sticki Rubber - ErgoLogic adjustable insole

For elite cross-country racers who need class-leading stiffness, superior fit, premium materials, and lightweight, the SCOTT MTB RC shoe is the only choice. This shoe offers a dual-zone BOA IP-1 lacing system that delivers ultimate comfort and response, allowing on-the-fly adjustability in two separate zones. We placed an upper BOA IP-1 closure at the top of the shoe and a midfoot IP-1 reel with power zone guides to allow 2:1 pull across the forefoot. It features an asymmetric microfiber airmesh conforming upper with an adaptive fit pattern. The ErgoLogic insole features an adjustable arch support and metatarsal button. A super light ASE EVA outsole with minimal Sticki rubber tread unites all the benefits of our lightest, most exotic materials in this all-day shoe for elite racers. The carbon fiber outsole has a high stiffness index of 10. - Extreme Stiffness - index 10 - Mesh/microfiber upper - HMX carbon sole - Ultra lightweight - BOA system w/ micro adjustment - Sticki Rubber - ErgoLogic adjustable insole

Made with elite, racing-oriented female riders in mind, the SCOTT Road RC Lady shoe is primed for pure speed. It features a hi-gloss asymmetric welded microfiber and mesh conforming upper. The shoe offers a dual-zone BOA IP1 lacing system, allowing on-the-fly adjustability in two separate segments. For optimal sole support, the ErgoLogic insole features an adjustable arch support and metatarsal button. The stiff HMX carbon fiber sole has a stiffness index of 10 (our stiffest, for pure efficiency). - Women's specific design - Extreme stiffness - index 10 - HMX carbon sole - Ultra lightweight - BOA lacing system

The Wolvhammer transcended traditional cycling footwear and originated from the conceptual standpoint of a mountaineering boot. The Wolvhammer Boa retains all the functional elements from the original while adding style and simplicity.

Bontrager's XXX LE Road Shoes are pro-level kicks that are supremely comfortable, perfect fitting and super efficient—everything you could want in thoroughbred road shoes. Bontrager uses Platinum Series carbon soles, they're wonderfully light and massively stiff for maximum power transfer. Inside, you'll revel in the comfort of Bontrager's inForm heat-moldable footbeds for a custom fit. Plus, the durable Clarino uppers feel great, keep your feet cool, and provide all-day support. Combine all that with the no-slip heel cups and 3-strap closures, and your XXXs are ready to flatten the hills and contest the sprints. •inForm Pro last - Ergonomically optimized high-performance fit •Platinum Series Carbon sole - Our lightest, stiffest sole •3-Strap Hook and Loop - Minimal and reliable hook and loop closure system •Stiffness index 14 •Lightning Mesh - Advanced upper that's durable, supportive and lightweight •Approximately 195g (6.9oz) (per shoe, size 42) •No-slip heel lining •Be safe and seen with visibility color treatment

Everything that was given to Louis Garneau's Course Air Lite road cycling shoe is now offered for the most demanding mountain bike and cyclocross riders. Their entire race shoe design heritage has been passed on to the Copper T-Flex. This includes a strong frame that prevents the shoe from going soft on a muddy course. And because the most demanding riders are those who ride the most, comfort is top priority. That is why the Copper T-Flex features a brand-new system of offset straps designed to reduce pressure on top of the foot when fastening the shoe. The Boa system can be easily replaced in case of a glitch—just change the dial and you're good to go. Add to that a carbon composite outsole and what you get is a shoe designed for high performance the moment you leave the paved road. - High-performance fit reduces stack height to pedal - Upper: Light and breathable microfiber with bonded protection - Power Zone: Increased arch support and power transfer - Closure system: Boa IP1-S micro-adjustment for a custom fit - Heel retention: HRS-100 with 0.6 mm anti-slip membrane reduces power loss - Outsole: Carbon T-FLEX composite outsole with dual-density lugs provides better mud evacuation and prevents heel pressure - Insole: Patented COOLMAX Ergo Air insole for riding in all weather conditions - Safety: Reflective heel - Cleats: SPD cleats fit all major MTB pedals - Weight: 335 grams (size 42)

Triathlon shoes reach a new level of performance and comfort with Garneau's TRI-400 shoes. The Power Flex strap is combined with the ultra-light BOA IP1 system for amazing support without pressure points. The Carbon HM X-Lite outsole with titanium inserts is ultra-light and rigid for stunning power transfer, and the 4.3mm carbon platform lowers the stack height and brings your feet closer to the pedal for even more power. Inside the heel cup, the HRS-400 retention system with a 2mm membrane holds the heel firmly in place, reducing loss of power and preventing blisters caused by the irritation of an awkward fit. The Ice Fil insole, mesh upper, and patented air channel system provide the ventilation to keep your feet cool and dry.