Muck Boot Muck Boot W Arctic Sport II Tall AS2T-101-BLK AS2T-101-BLK Designed for some of the coldest conditions, the Arctic Sport II works great in nearly every environment. These fun sporting colors make them perfect for trekking in the back woods but also just enjoying the great outdoors. 100% Waterproof 100% Waterproof Warm Fleece Lining Warm Fleece Lining 5 mm CR Flex-Foam neoprene 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 Soft fleece lining enhances comfort, provides superior warmth, and is durable for long cold treks Full-length midsole for improved support and longwearing comfort Multi-directional outsole tread pattern for improved traction on slick and uneven terrain EVA Midsole for Added Comfort Rugged Outsole Warm Fleece lining Muck Boot Muck Boot Womens Arctic Sport II Tall AS2T-101-BLK