Rocky Thinsulate Ultra Lined 800 Grams 9M 7715 Heavy Leather Boots are durable work boots for men. They feature a waterproof sole and lower, 800 grams of Thinsulate insulation, and a steel shank for added support. The boots have a brown leather upper with a fabric lining, D-ring lace-up closure, and a leather outsole. Designed for tough work environments, these boots provide warmth, comfort, and protection.