A favorite of waterfowlers and anyone who works outdoors, the Muck Boot Company Men's Wetland Pro Certified Snake Strike Boots continue to be one of Muck's most popular boots. The PRO features full height snake strike resistant rubber construction to protect against strikes, sticks, rocks, and scratches while the outsole is an excellent performer in most every outdoor terrain. Certified Against Snake Strike. 100% waterproof 5mm CR Flex-Foam neoprene liner is 100% waterproof with exceptional comfort, flexibility, shock absorption and heat retention properties; adjusts to the contours of your foot to resist blisters and chafing 3D Airmesh linings for breathability Stretch-fit topline binding snugs calf to keep warmth in and cold and snow out Full rubber coverage to top of the boot - Certified Against Snake Strike Lightweight, cushioned EVA midsole for added comfort MS-1 molded outsole is rugged, aggressive and durable for maximum protection and stability Pull-tab for easy on and off Comfort Range: Sub Freezing to 65F / 18C