We've matched this with a stiff, efficient carbon fibre sole, a construction that regulates temperature and Body Geometry ergonomics so we can give you the performance package you've always wanted, bringing you two steps closer to your fastest ever time.

• Body Geometry sole construction and footbed: ergonomically designed and scientifically tested to boost power, increase efficiency, and reduce chance of injury by optimizing hip, knee, and foot alignment.
• Revolutionary Tri Specific Drawbridge closure for the fastest possible time in both transitions (patent pending).
• FACTâ„¢ 12.0 carbon sole uses high modulus, unidirectional carbon fibre and TorsionBox construction to optimize stiffness and weight.
• Lightweight Boa® L4 closure system backed by the Boa® Lifetime Guarantee.
• Replaceable high-strength braided steel lace.
• Arch-mounted Launch Clip for flying starts (patent pending).
• Smooth internal lining for "sockless" riding fit and comfort.
• Open tongue design for breathability and drying with toe Velcro® closure.
• Replaceable heel lugs.
• Light, tough, and water-resistant Micromatrix upper for supple comfort.
• Three-bolt cleat pattern fits all major road pedals.
• Approximate weight: 280g (1/2 pair, size 42)