The Muck Boots Edgewater II offers a comfortable fit around the calf with an extended rubber upper for additional protection. This boot features 5mm CR Flex-Foam for a stable foundation, a breathable Airmesh lining, and an aggressive waffle high traction outsole. The angled topline provides a better fit, and Achilles reinforcement adds durability. This boot is designed to be a classic for years to come. Care instructions recommend cleaning with cold water and using rubber boot care. Heel height is 2.0 cm. The upper is made of rubber and neoprene, the lining is breathable Airmesh, and the sole is rubber.