N.E.O.S. Navigator 5 Stabilicer Overshoe Provides warm insulation and aggressive tread for outdoor enthusiasts. 100% waterproof to 15 in. high with gaiter stowed, 20 in. with gaiter extended. Ideal for cold activities like ice fishing and snowmobiling. Adds 40 to everyday footwear. 840 Woven Polyester upper with 10mm PU foam insulation in body of boot.