Texas Steer Black Lace Up with Side Zipper Slip Resistant Steel Toe Boots Size 12 Good preowned condition with light signs of wear/dirt no signs of damage Leather upper Designed for men, these work boots feature a round toe shape and a mid-calf shaft style. The upper material is made of leather and nylon, making it durable and slip-resistant. The boots come with a side zipper and lace-up closure, ensuring a secure fit.