Combining an ultra-tough and waterproof build with lightweight comfort, the Back40 Boot redefines tall boot performance. Low-bulk 800g Thinsulate(TM) insulation regulates temperature throughout the season's changing weather, maintaining comfort throughout demanding hunts and long days of work. The fully waterproof rubber and neoprene construction, strength-enhancing toe and heel rubber overlays, and terrain-chewing traction make this an icon of dependable durability.