| RefrigiWear PolarForce® Hiker Boot | Waterproof | Black | Ragg Wool/Leather/Nylon | 8. RefrigiWear Boots | Comfort Rating: -30°F to 20°F 800g Insulation ASTM composite safety toe The PolarForce® Hiker Boot is a cold weather work boot unlike any other. Get protection against -30°F cold and against injury with this waterproof hiker-style boot featuring ultra-slip-resistant soles for maximum protection. Don't let clammy, aching feet be a distraction. Stay warm and protected with PolarForce®. Keep out extreme winter-weather elements with these waterproof work boots that have ankle... - RefrigiWear PolarForce® Hiker Boot | Waterproof | Black | Ragg Wool/Leather/Nylon | 8. |