Weight: 265g. Max cushioning meets Helion™ HF for max energy return Forward-rolling, agile and fast Dual foam construction to maximize cushioning levels High-grip laces woven with silicone keeps you locked in Helion™ HF absorbs impact and gives maximum rebound A microfiber upper delivers breathability Developed with professional athletes Materials Vamp: 100% Polyester Vamp Lining: 100% Recycled Polyester Collar Lining: 100% Recycled Polyester