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 A cushioned Shoc Pad in the heel absorbs impact where you need it most A contoured EVA midsole gives you arch support that most sandals lack, Nylon shank stabilizes and supports your foot on uneven terrain Rugged Spider Rubber outsole is extremely durable and supplies great 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 Half pair weight for size W7,M9,I2/3,T4,K13,Y4: 9.0oz RN 88276 .