FITTING: ERGONOMIC FIT®. INSOLE: fixed, E.V.A.lined.HEAL: anatomic, CLOSE FITTING inner cup in Polytech® UPPER: strong and breathable guaranteeing comfort and adaptability for any foot type.In Suprell PU, with wide net panels for transpiration. CLOSURE: 3 velcro bands. OUTSOLE: sole tread in Polytech® for an excellent grip on any kind of terrain.Midsole insert in nylon Diapan Fiber®, Fiberglass loaded for the right stiffness.Threaded inserts for toe spikes.Variable profile shockproof and wearproof in strategic areas.Compatible with: TIME, SHIMANO, LOOK and Free Ride pedals.