This insulated, lightweight, waterproof nylon 11" US Postal-approved overshoe has a quick-release buckle that makes for an easy on and off when job conditions turn wet or wintery. The slip-resistant rubber lug outsole protects you from sliding on mud, slush, and snow. Sturdy cement construction gives you a flexible overshoe that won't slow you down. The nylon drawstring keeps the elements out and the adjustable strap adds security and comfort. Has 400 grams of foam insulation.