100% Waterproof, 100% MUCKPROOF 8mm Neoprene Bootie for Comfort and Performance Pull tab for easy on/off Vibram Arctic Grip A.T. for Wet Ice Traction Coupled with XSTrek Evo Adding Durability and Improved Grip on Wet and Dry Surfaces Warm Lining: Soft, Insulation, Light-weight, Performance Materials for Warmth and Comfort