When you need heavy-duty boots with superior comfort and protection, make sure you're wearing the Danner Tachyon 8" Boot. A durable, waterproof, full-grain leather and 500 Denier nylon upper provide support and comfort, while the breathable and 100\\% waterproof GORE-TEX liner helps keep your feet dry even in the most rigorous environments. An open cell polyurethane footbed circulates optimal airflow, allowing your feet to breathe. The EVA cushioning midsole absorbs shock, while the nylon shank gives structure and support. A speed lace fastening system and rugged brass hardware helps you achieve a precise fit. The Danner Tachyon rubber outsole is slip-resistant and features pentagonal lugs for superior traction and grip that helps keep you on your feet when you need it most. Imported.