VersaTrak® Shoe Cover, anti-skid sole with UltraGrip strip, serged seams, 100 pair/case. - This new innovative design combines the unique properties of our UltraGrip and AquaTrak shoe cover materials. The VersaTrak shoe cover will give you the versatility to move freely between different environments and floor surfaces while remaining protected. We have engineered this shoe cover to deliver superior durability, traction, and slip and fall protection under wet and dry conditions. By combining the unique properties of these two materials, we deliver the most innovative and versatile shoe cover on the market today. Inherent anti-skid properties. Different thread colors around the opening provide convenient size identification.