Large Black 12 in. PVC Overboot. Supersized 12" SF overboots fit over large work and recreational footwear to protect them from liquids, mud and other deteriorating elements. 100% waterproof protection. Extra large molded kick-off lugs foreasy, hands-free removal. Boot buttons are molded to eliminate seams, providing waterproof protection. Closure loops are tabbed to allow for easy, one hand closure even when wearing gloves.Meets ASTM 3345-21