The Kanga Tuff Black Lace-Up Unisex METGUARD is designed to protect the toes and the upper foot, called the metatarsal. This personal protection device can withstand up to a 75-pound impact and won’t conduct electricity or heat. They are made with a polycarbonate material that weighs 10-ounces and measures 5 inches by 4 inches. Safety footwear attachment protects the metatarsal area of the foot. Designed and tested to compliment steel cap footwear., The lip of the METGUARD sits on top of the steel cap at load point and is secured with existing laces or optional straps. Helps protect worker's upper foot by deflecting and dispersing the impact of falling loads. Fits all safety shoes and boots. Made of durable, lightweight and non-conductive polycarbonate. ANSI Z41 compliant.