28 tungsten carbide studs grab ice and snow for winter traction. Waterproof vulcanized rubber. Fits over work boots to protect from harsh weather.100% waterproof Winter-Tuff® ice traction overshoes feature seamless, vulcanized rubber and fit right over your work boots to protect them from harsh winter conditions. A large gusset opening, wide width, and a high toe box give ample room for oversized work boots, while five position, non-corrosive steel buckles allow for a fine-tuned fit. Twenty-eight permanently embedded tungsten carbide studs grab the ice and snow for sure-footed winter traction.Ideal Applications: Railroads, Utilities, DOTs, Municipalities, Construction, and General Industry.Chemical Resistance: Acids, caustics, alcohols, salt spray, and most dilute solutions of water-soluble chemicalsWarning: Not recommended for use indoors. Studs can scratch floor surfaces.● Set-in heel securely positions your feet when climbing and descending ladder rungs.● 28 heavy-duty tungsten carbide traction studs won’t break, rust or corrode.● Unique, patent-pending stud-lock™ construction keeps traction studs in place.● Heel kick for hands free removal.● Four non-corrosive, metal buckles are quick-release and have five position adjustability for excellent fit.