No job is left unfinished when you're in the reliable protection and all-day comfort and warmth of the Kamik Nation2 work boot. ; Combination waterproof suede and ballistic nylon upper. ; Waterproof and flexible RubberHe shell. ; Steel safety toe. ; Gusseted tongue locks debris out. ; Tongue and heel pulls for an easier on/off. ; Padded collar for added comfort. ; Moisture wicking lining promotes a comfortable in-shoe climate. ; Removable 200B Thinsulate liner helps keep feet warm. ; PRIME RubberHe outsole provides optimal traction on wet surfaces. ; Temperature Rating: -40° F/ -40° C. ; Steel safety toe meets ASTM F2412-05 and F2413-05 I/75 and C/75 standards. ; Made in the U.S.A. Measurements: ; Heel Height: 1 1 4 in ; Weight: 2 lbs 3 oz ; Circumference: 16 in ; Shaft: 9 1 2 in ; Platform Height: 1 2 in ; Product measurements were taken using size 8, width D - Medium. Please note that measurements may vary by size.