Tingley MR270A-12 Rubber Overboot Black Size 12Made of Ozone resistant rubber to reduce premature cracking. New design with increased toe box height and roomier fit for bulky. Work shoes. Rugged cleat sole design and heel kicker for easy off. Nylon knit liner and full gusset for easy on and off. Size 12 Black 13" high 5 buckle Heavy duty Rubber overboot Made of ozone resistant rubber to reduce premature cracking New design with increased toe box height & roomier fit for bulky Work shoes Rugged