Manufacturer HISEA. They will keep your feet dry and provide an extra, insulated layer for added warmth in cold water or mud;. Type Muck Mud Boots. Cold & Snow. Features Cushioned, Insulated, Lightweight, Slip Resistant, Waterproof, Snakeproof, Thermal/Insulated, Cleated Sole, Long, User Friendly, Enhanced Heel, Enhanced Toe, Breathable, Keep Dry & Warm, Free Gift. .