Tingley's Neoprene Snugleg Boots are made with a multi-ply manufacturing method. Every boot is triple dipped with two neoprene coatings and one sealant, so the foot is surrounded by a layer of 100% waterproof and chemical resistant neoprene for optimum protection and extraordinary comfort. Safety-toe meets ANSI spec. Z41 PT99 MI/75 C/75 EH, for steel toe caps and Electrical Hazard Protection.