The North Face Back-To-Berkeley Redux boots. Old-school style meets new-school technology with this warm, insulated boot is crafted of waterproof suede and features a waterproof membrane for additional protection on your local trails. Iconic Back-To-Berkeley boot with insulation and a waterproof membrane. Polyurethane (PU)-coated, ballistic polyester upper. Waterproof suede mudguard. HydroSeal® waterproof membrane. Gusseted tongue. Durable, rustproof hardware. 100 g PrimaLoft® Silver Insulation Eco. OrthoLite® ReBound footbed provides ultimate comfort. Compression-molded EVA midsole. Compression-molded TPU heel clip provides added stability. Durable TNF Winter Grip® rubber outsole with IcePick® temperature-sensitive lugs. Only worn once