Full grain leather upper main construction. Full grain leather collar and tongue lining. Waterproof membrane insert. Lace closure system with 45 degree velcro strap closure. Padded tongue and collar. Dual density ankle cups with foam padding. Steel shank insert ensures rigidity and protection in the sole. Inner heel counter, toe-box reinforcement. Alpinestars innovative ablated textured grip sole. Removable anatomic perforated EVA footbed.