Elastic ankle and top, anti-skid sole, serged seams, 100 pair/case. - The combination of the UltraGrip sole with our AquaTrak upper material offers the ultimate in safety. The AquaTrak material is durable, clean and impervious to fluids, particulates and several chemicals. For protection against slip and fall accidents, the UltraGrip non-skid sole exhibits outstanding traction on a wide range of smooth to highly textured surfaces. The sole also works well on many surfaces contaminated with silicone. When you combine these performance properties with the SAL 10-4 processing, you have the ultimate boot cover for monitored environments. Sterility Assurance Level: Method 1 validated and terminally sterilized using gamma irradiation to yield a minimum SAL of 10-4. Construction Details: Non-conductive, anti-skid sole, serged seams, individually bagged in pairs. For industrial use only. ♦ Processed to ensure 1 or fewer colony forming units in 10,000 garments.