100% waterproof seamless construction - 5.5mm Neo-Tech upper provides medium-weight and waterproof comfort - Air Mesh lining with Max Wick coating evaporates more sweat to keep feet drier - Internal nylon shank for flexible support and stability - BioGrip outsoles maximize slip resistance while leveraging earth-friendly BioBased materials - Comfort range from -40F to 60F for cold-weather warmth and three-season wearability - EH-rated for electrical hazard safety - Kick-off heel lug provides hands-free easy-off boot removal - -