Don't let the cold wet elements slow you down with these Frontier boots High-quality, waterproof rubber upper Stretch Neoprene collar Lugged, slip-resistant waffle traction rubber outsole 5mm Neoprene lining Removable memory foam footbed Cold-rated Did you know rubber comes from trees? The process of making handmade boots involves mixing limestone and rubber to give the footwear its form. It’s natural for quality rubber to develop a white film, called blooming, and it’s easy to clean. Western Chief Men's Frontier Realtree Neoprene Mid Boot