Your workday may bring unexpected challenges, but you can rely on the tough protection and warm insulation of this rugged Carhartt work boot to keep you performing at your best. Oil tanned leather upper. Waterproof membrane keeps feet protected from outside elements. 400 LiteFire insulation keeps your feet warm and dry. OrthoLite Comfort Tongue combined with a plush collar for an exceptional feel. Protective safety-toe. Goodyear welt construction. Molded TPU heel counter with achilles flex joint for enhanced stability. OrthoLite insole supplies underfoot cushioning. Slip-, oil- and chemical-resistant Vibram rubber outsole. Imported. Safety toe meets or exceeds ASTM 2413-11 standards. Rated for EH (electrical hazard) protection. Measurements: ; Heel Height: 2 in ; Weight: 2 lbs 12 oz ; Circumference: 15 in ; Shaft: 8 1 2 in ; Platform Height: 3 4 in ; Product measurements were taken using size 11.5, width D - Medium. Please note that measurements may vary by size.