CAT Footwear Men。Classic ruggedness and durable reliability are all wrapped up into the fine construction of the 2nd Shift Steel Toe boot from Caterpillar. Dark Brown. Rugged work boot with lace-up design. Full grain leather or nubuck leather upper. Nylon mesh lining. Climasphere insole creates a drier, more odor-resistant environment. Goodyear welt construction provides excellent durability and flexibility. Slip-resistant rubber outsole meets MARK II testing standards. Steel safety toe meets ASTM F2413-11 I/75 C/75, impact and compression EH (Electrical Hazard) standards. Men\'s size 11.5 and 13 available. Approximate Measurements: Heel Height: 1 1⁄2 in Weight: 2 lbs Shaft: 6 1⁄2 in Platform Height: 3⁄4 in Box included.