Introducing the Apex Pro All Terrain Boot from Muck. This boot also has 5mm neoprene bootie for comfort and all-conditions performance. Dual pull tabs provide easy on/off and breathable air mesh lining facilitated air circulation to improve comfort and reduce heat and moisture. Dual density comfort footbed with memory foam for long lasting cushioning. As well as lightweight EVA midsole for all day comfort and support, vibram arctic grip with XS Trek EVO adding durability and improved grip on wet and dry surfaces.