Muck Boots Edgewater II Tall BootsThe angled topline offers a more comfortable fit around the calf while the extended rubber upper offers additional protection. This boot will be a classic for years to come. 5mm CR Flex Foam Breathable Airmesh Lining Extended Rubber Coverage Angled Topline Achilles Reinforcement Aggressive Waffle High Traction Outsole Temp rating 0C to 18C CR Flex Foam adjusts to the unique contours of your foot to create a comfortable and stable foundation while