The Supersonic Collection of products was developed with one thing in mind - pure race speed. Superb stiffness and minimal weight – the SCOTT Road RC Evo is your shoe of choice. Primed for attack, it features an ultra comfortable laminated TPU & airmesh upper. The dual-zone BOA® Li2 Fit System allows on-the-fly adjustability at the ankle and the forefoot. For optimal foot support, the ErgoLogic insole features adjustable arch support and a metatarsal button.