Northwave Extreme XC MTB SPD ShoesThese Extreme XC MTB Shoes from Northwave have Hyperlight XC soles made of 100% unidirectional carbon with a stiffness index of 14.0 for top power transfer.They are 28% more abrasion resistant than TPU and the Michelin rubber inserts with dual-layer compound technology provide excellent grip with minimum weight while the micro-perforated BioMap unibody uppers with thermowelded protection eliminates hotspots.The integrated heel system contains directional fibre to prevent any slipping while the SLW2 dial provides step-by-step and full release in a single button.Features:Hyperlight XC sole made of 100% unidirectional carbonStiffness index: 14.028% more abrasion resistant than TPUMicro-perforated BioMap unibody uppers with thermowelded protectionDouble SLW2 dialIntegrated heel system containing directional fibrePro Regular Fit footbed with a stiffened dual density design increases the power transferWeight: 320gTechnologies:BioMap: Your energy is precious, never waste it. That’s why Northwave’s shoes are designed with BioMap technology. Northwave’s soles, uppers and all their components are anatomically compatible with every cyclist’s feet and are designed to keep your feet in the right position while pedalling, transmitting power directly to the pedals without wasting any energy.Hyperlight XC Sole: Built by merging Northwave’s know-how and the French company’s material technology and technical design for the compound insert. 100% constructed from unidirectional carbon fibre, Hyperlight XC was the outcome of Northwave’s biomechanical studies to locate materials that were actually needed for maximum efficiency, in order to combine very low weight and extreme rigidity.The sole’s sculpture is made through the innovative Dual Layer Compound technology, atom-by-atom bonded softer and harder compounds to increase flexibility, stability and adherence. The first provides maximum flexibility, acting like an independent suspension, while the second is tougher and more resistant, for improved traction and endurance. Aggressive sculptures in the toe and heel areas provide the ideal grip and traction, while the side sculptures are there to guarantee stability and are melted into the sole’s structure for unprecedented resistance.Unibody Construction With Thermoweld Protection: Lightweight and comfortable unibody upper. The minimised stitching and the absence of overlapping material eliminate all the unnecessary weight. The reinforcements on the side and toe have been directly thermowelded on the upper, so as to guarantee maximum protection with minimum weight.SLW2 Closing System: The micrometric system SLW2 (Speed Lace Winch) represents the evolution of the closure system and provides maximum precision and modularity. The innovative step by step closure means you can tighten and enlarge the fit in a few moments.The side button provides a dual function: by pressing, it features a micrometric release and lifting it allows a complete and immediate opening of the shoe. The dial has been completely redesigned in size and weight, resulting in being significantly lighter and thinner. The external covering of soft touch material also makes the grip more effective.The ergonomic shape of the SLW2 ratchet follows the anatomy of the foot to make it comfortable. The SLW2 ratchet is easily replaceable. The cables come from the best technology derived from the world of sailing.Integrated Heel System: The new unibody construction of the uppers allowed integrating an efficient heel retention system inside the structure, without the need of external elements; this gives you the same efficiency but reduced weight.Buy Northwave Footwear from Chain Reaction Cycles, the World’s Largest Online Bike Store.