Design: Multiple points of adjustability let you dial in the absolute perfect fit The Universal Strapping System™ and earth-friendly Made from recycled plastic using traceable, verifiable REPREVE® polyester yarn by Unifi® Webbing supports your foot and stands up to abuse Easy hook-and-loop closure comes on and off quickly and gets the fit just right In-Shoe Comfort: A lightweight EVA-foam midsole adds extra cushioning for maximum comfort Durability & Traction: Rubber outsole for durability and traction