The Red Wing 4457 Men’s 6-in. boot features full-grain upper leather and is ASTM approved for toe and metatarsal protection. A new internal metguard is designed to be lighter and more flexible without sacrificing protection. Offering excellent abrasion and chemical resistance, the footwear also provides electrical hazard protection.Red Wing Shoe Co., www.redwingshoes.com, (800) RED-WING