Made From E-TechTM Material That Is Anti Bacterial, Anti-Microbial And Recyclable. Extremely Lightweight, Weighing Less Than 180g Per Clog. Grip SafeTM Rubber Sole Gives Excellent Slip Resistance And Offers Greater Penetration Resistance Than Other Lightweight Footwear. SRC Rated For Slip Resistance And CE Marked. Adjustable Heel Strap Can Be Worn In Forward Or Back Position. Closed In Heel Specially Designed To Hold Your Heel Securely. Shock Absorbing Antistatic Heel Device Specifically Incorporated To Meet Static Sensitive Situations. Side Vents Specially Shaped To Prevent Fluid Penetration. Washable To 50ÐÔC.