Muck Arctic Ice Tall Boot Brown 10Muck Arctic Ice Tall Boot Brown 10 Heavy duty 8mm CR Flex Foam neoprene is 100% waterproof with exceptional comfort, flexibility, shock absorption and heat retention properties; adjusts to your foot's contours to resist chafing; Flexible Spandura adds protection against wear; improved midsole for better support; Soft fleece lining enhances comfort, provides superior warmth, and is durable for long, cold treks; Vibram Arctic Grip outsole pods provide