Chêne Gear Zippered Knee Boot built with premium, natural rubber over insulating neoprene for durability, flexibility and complete waterproof protection. Quick drying and moisture wicking, liner will keep your feet dry and comfortable. Included extra 7mm innersoles allow you to customize the fit to your feet giving you a comfortable, secure fit to keep your foot in place while on the move. Our unique tread pattern gives you the traction to move through demanding terrain. Full length side YKK zipper allows for easy on and off with a waterproof gusset.