The Stylus features Giro's premium Synchwire single-piece upper that conforms to the foot, and provides phenomenal structural support and ventilation. Three compression-molded hook-and-loop straps provide tried-and-true tightening to create a comfortable, supportive fit. Giro's 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. Upper: Synchwire™ one-piece composite upper. Laser-cut venting. Three compression molded Velcro straps. Reflective rear tab logos and graphics. Outsole: Injection molded nylon and glass fiber outsole. Universal cleat mount (2 or 3-bolt). Over-molded TPU toe and heel pads. Footbed: Die-cut EVA insole. Weight: 272 grams (size 42).