Sorel Alpha Pac XT Winter Boot Men's

The Sorel Alpha Pac XT Winter Boot has all the great protective benefits of the original plus a new Omni Heat reflective lining added to the inner boot. The Alpha Pac offers only the best for the most extreme conditions, as it is rated to 60 degrees Fahrenheit. Upper: Waterproof PU backed synthetic textile built in gaiter with barrell lock closure system shatter resistant YKK Shokonloc buckle closure and reflective safety graphics Insulation: Removable 9mm recycled felt inner boot with Omni Heat reflective lining 2.5 mm bonded felt frost plug molded EVA midsole for enhanced comfort, weight reduction and thermal protection Outsole: Polar Lite shell for enhanced flexibility in extreme temperatures. Multi directional rubber lug outsole Shaft Height: 14 based on size 15 Calf Circumference: 18 in. based on size 15 Weight: 2 lbs. 10 oz. size 15