With its innovative second-generation Aeroweave upper, Powerstrap Aeroweave is a straight up racing shoe: the lightest and most breathable in the range, built with a high-tenacity net-like structure coupled with our stiffest carbon outsole. • AEROWEAVE UPPER: An enveloping, extremely breathable net-like upper structure, now in its second generation, that’s even lighter and softer than before • POWERSTRAP: foot-wrapping Velcro closure designed for an enveloping fit • R3 CARBON OUTSOLE: optimized cleat positioning, ultimate stiffness and lightness tuned for maximum power transfer