Waterproof leather with GORE-TEX waterproof bootie. Quick-dry webbing made from recycled plastic using traceable, verifiable REPREVE polyester yarn by Unifi. Lined with exceptionally soft micro waffle knit for supreme comfort. Cushioned PU footbed with plush microfiber top cover. Lightweight EVA-foam midsole. ESS shank supports your foot. Vibram Megagrip outsole. Half Pair Weight: 482g (Size US9)