The stylus™ features Giro’s premium synchwire single-layer upper that conforms to the foot, and provides phenomenal structural support and ventilation. Three compression molded velcro straps provide tried and true tightening to create a comfortable, supportive fit. Our injection molded nylon and glass fiber outsole, with over-molded heel and toe pads plus a universal 3/2 cleat bolt pattern gives you the power and versatility you need to get the most out of every ride.