Grubs Waterproof Boots for Men and Women | Perfect for Muck, Mud & Rain | Warm to -40&deg; Rubber|Neoprene Vibram sole DRY AND HAPPY FEET: Breathability features transfer sweat quickly to prevent wetness. 100% WATERPROOF: Rubber/Neoprene combination creates a waterproof boot that is comfortable on your foot and leg, not stiff and hard. Give muck, mud, rain and snow the boot! EXCELLENT TRACTION IN ALL CONDITIONS: Rubber sole allows good footing on wet, slippery, and muddy surfaces LIGHTWEIGHT AND COMFORTABLE: Specially designed to be lightweight. You work hard enough without carrying around lead weights on your feet all day EXTRA WARM: Guaranteed to keep your feet warm in temps as cold as -40. Perfect for snow.