The Danner Striker Torrent 8 Inch Waterproof Side Zip Tactical Boot. Durable, polishable full-grain leather upper with rugged and lightweight 1000 Denier nylon. Speed lace fastening system for secure fit. Lace garage. Semi-locking side-zip. waterproof and breathable Gore-Tex lining. Removable cushioning antimicrobial polyurethane footbed with additional layer of open cell construction for air circulation.. Polyurethane midsole. New Danner TFX-8 platform. Vibram Striker Torrent outsole featuring a 360 degree pentagonal low lug pattern for grip in all directions. Nylon shank.