On duty or gearing up for deployment, the 5.11 Fast-Tac 6 Waterproof Boot is heel-to-toe ready. The Ortholite footbed provides enhanced cushioning you'll notice right away and feel wear after wear. Nylon fabric adds toughness and breathability without adding weight, the 840D nylon upper resists abrasion in the most intense environments and the 5.11's SlipStream BBP waterproof membrane protects. Underfoot, you can count on the oil-and slip-resistant sole to help keep you upright. (9) OrthoLite insole for better cushioning and comfort 5.11 Speed urban rubber outsole with slip & oil resistance