TPU film and textile mesh are thermo-bonded together to create Synchwire, a single-layer upper that conforms to the foot, provides phenomenal structural support and ventilation,Three compression molded Hook & Loop straps provide tried and true tightening and support,New injection molded nylon and glass fiber outsole with overmolded heel and toe pads, plus a 3/2 insert pattern gives you the power you need and pedal system flexibility,Women's specific last, Laser-cut venting, Three compression molded Hook & Loop straps, Injection molded nylon and glass fiber outsole,60 N/mm stiffness, 3/2 combination insert pattern, Over-molded TPU toe and heel pads, Die-cut EVA insole, Reflective rear tab logos and graphics, Weight: 240g (1/2 pair, size 39)