LIGHTWEIGHT ROAD PERFORMANCE SHOES WITH S-PHYRE DNA. FEATURES - Mesh/TPU and Synthetic leather material covered upper in optimized part to provides comfortable fit and light weight. - Surround wrapping upper structure reduces overlap and provides a glove-like fit. Integrated seamless midsole and upper construction set a new level of fit, stability and lightweight performance. - BOA(R) L6 dial on instep strap quickly and comfortably secures a wide range of foot shapes. - Carbon fiber reinforced nylon midsole for power transfer. - Low stack height midsole stabilizes foot and maximizes power transfer efficiency.