Upper: Form-fitting CompFit ankle construction for a custom fit, range of motion, and compressive ankle support. Lightweight, breathable synthetic mesh in the forefoot. Padded CompFit tongue locks your foot in place and prevents lace bite. Full-length, molded Micro G sockliner molds to and cushions your foot. Midsole: Molded, sculpted EVA rubber for lightweight responsiveness. Outsole: Injection-molded outsole with spider web traction for multi-directional movement and control.