Quick-dry webbing made from recycled plastic using traceable, verifiable REPREVE polyester yarn by Unifi supports your foot and stands up to abuse, Universal Strapping System, Multiple points of adjustability let you dial in the absolute perfect fit Easy hook-and-loop closure comes on and off quickly and gets the fit just right 50% recycled rubber outsole provides durability and traction Treated with Life Natural, a responsibly sourced peppermint-based anti odor treatment