Quick-dry webbing made from recycled plastic using traceable, verifiable REPREVE polyester yarn by Unifi supports your foot and stands up to abuse Easy hook-and-loop closure comes on and off quickly and gets the fit just right EVA-foam midsole for lightweight cushioning Rubber outsole for durability and traction Treated with Life Natural, a peppermint-based anti odor treatment Sustainability Initiative(s): Vegan, Webbing made from recycled plastic using traceable, verifiable REPREVE polyester yarn by Unifi Best for: day hikes, light hikes, all-day wear, getting around town, the playground, water activities Half pair weight for size W7,M9,I2/3,T4,K13,Y4: 2.25oz RN 88276 .