Reengineered for even greater comfort, the 4xBurley from LaCrosse takes a proven work boot and makes it an even greater pleasure to wear. All natural hand-crafted rubber with uncompromising scent free and waterproof protection. Contoured Ankle-Fit design to prevent heel slippage. 1200 grams of Thinsulate Ultra insulation. Adjustable back gusset and strap with adjustable fit for various leg sizes. Extra rubber abrasion protection in toe, heel and shin. Dual-density molded PU and sponge rubber footbed. Quad-Core technology featuring four layers of cushioning and support. 3-layer sponge rubber midsole. 4xBurly outsole for superior traction in snow, mud and loose terrain. Rated for temperatures as low as -40°. 18" height. Weighs 5 lbs. 8 oz. Realtree APG camo pattern. VPN: 202004.