Tech-T Boots - Red/Black/White - US 13Upper constructed from a combination of full-grain leather and innovative microfiber for durability and abrasion resistance, Extended front and rear accordion stretch zones for improved flex, control and support, Double-density Thermoplastic polyurethane (TPU) ankle protector disks are layered under the upper and backed by poly-foam padding, Ergonomically contoured shin plate is injected with high-modulus TPU for a high-level impact- and abrasion-resistance, Wide entry aperture for convenience with hook-and