NIKE Hyperdunk Men's Basketball Sneaker Red Synthetic Lightweight Hyperfuse construction for durability, breathability and support Flywire construction for ultra-lightweight support and comfort Springy Lunarlon cushioning for soft yet responsive shock absorption EVA sockliner is molded around the arch for support and a great step-in feel Extended U-throat allows the upper to adapt to a variety of foot shapes for a snug, customized fit