DESIGN: CLARINO Trivela microfiber upper offers lightweight support and flexibility WATERPROOF+ & breathable membrane fused to lining and sealed with bottom gasket ARIAPRENE(R) tongue & bootie ensures foot lockdown for stability and breathable support CARBITEX GearFlex(TM) propulsion plate enhances ground force harnessing IN-SHOE COMFORT: PMX Nitro+ Footbed provides lightweight responsive cushioning for shoe life PMXNitro+ Midsole delivers maximum energy return & underfoot support DURABILITY & TRACTION: TPU Outsole delivers multidimensional traction for shoe life