HIGH PERFORMANCE WORK BOOT The Arctic Sport Insulated Steel Toe work boot is identical to the regular Arctic Sport boots. A slightly lighter version compared to the Arctic Pro with a 5mm layer of neoprene. This boot has proved it comfortable warmth through the northern reaches of American and beyond. Steel Toe Warmfleece lining. Stretchfit topline binding snugs calf to keep warmth in and cold out 2mm thermal foam underlay added to the instep area for additional warmth 5mm CR flexfoam bootie with fourway strech nylon, 100% waterproof, lightweight and flexible The MS1 molded outsole is rugged, aggressive and durable for maximum protection and stability Double reinforcements on the instep, heel and Achilles areas EVA moded midsole with contoured footbed. The steel toe in this boot meets ASTMF241311 M 1/75 C/75 EHstandards Comfort Range 40F to 40F.Boot Weight: Size 9 Men's/10 Women'sASPSTL Boots weigh4.96 lbs per pair(equal to2.48 lbs per boot) add or subtract 0.25 lbs per pair for each size up/down from size 9 Men's/10 Women's to get approximate total weight ofthe boots (as a pair). Color: Available in Black only. Men's sizes 714 Women's sizes 813 (Unisex). AS A SUGGESTION, THOSE WEARING HALF SIZES, CHOOSE NEXT SIZE DOWN