This waterproof sport hiker features a Tailex and Converse Starguard Waterproof Membrane, Removable EVA Cushion Insert with Sponge Heel Wedge insole, and a Dual Density; EVA Cushion Midsole and Rubber Outdoor Traction Bottom with External Arch Stabilizer; Heel Airbag. Is 100% Non-Metallic. Features a composite toe cap which is made from a non-ferrous elastomeric material. This material is also light weight and will not conduct heat or electricity. Composite toes meet or exceed ASTM F2413-05 Standard for protective footwear. The shoe also incorporates a special lug design on the bottom of the shoes’ sole to provide improved traction on grass covered outddor surfaces.