Wear-Resistant Welding Spats, Cowhide Leather Heat and Abrasion Resistant Leg Welding Spats, Shoe / Boot Protectors, Boot / Shoe Cover. PREMIUM QUALITY LEATHER WELDING SPATS: This welding working protect shoe covers are made from 100 percent Split Cow Leather, which provides a good mix of durability, and flexible with moderate heat and abrasion resistance.