The Asolo Men's Drifter EVO GV Hiking Boots are made from water-resistant suede with waterproof and breathable Gore-Tex comfort lining. The boots feature a dual density EVA midsole and duo radiant AsoloVibram rubber outsole with Megagrip compound and self-cleaning lugs designed for optimum performance on varying types of terrain. Water-resistant suede upper. Lace up closure for a secure fit. Gore-Tex Performance Comfort Lining. Lasting Board: Asoflex 00 MR. Insole: Anatomic Foot bed: Lite 2. Midsole: Dual density EVA. Outsole: AsoloVibram Duo Radiant rubber grip outsole with Megagrip for traction. Self-cleaning lugs on the outsole for optimum performance on various terrain. Weight : 21 oz. (593 g) (12 pair size 8 UK). Recommended for four season hiking. Spot clean. Imported.