Valutek VTSHCVASESDLF-X Polypropylene ESD Anti-Skid Shoe Cover with Elastic Ankle Cuff, Disposable, X-Large, Blue (Case of 300) ESD anti-skid shoe cover Disposable, lightweight, and breathable, yet strong and durable Elastic ankle cuffs Non-linting, nonwoven polypropylene with stitched seams Sprayed latex anti-skid safety treads