| RefrigiWear Iron-Tuff® Hiker Boot | Waterproof | Brown | Ragg Wool/Leather | 12. RefrigiWear Boots | Comfort Rating: -40°F to 10°F DRI-BLAZE® lining for superior comfort, warmth and durability Anti-Slip RefrigiWear® outsole Get a heavy-duty work boot that's tougher than a $2 steak, but as comfortable as your favorite recliner on a Sunday afternoon watching football. Featuring a VitaComfort® Bounce Midsole for better impact protection, the Iron-Tuff® Hiker keeps you comfortable on your feet. Warm. Tough. Iconic. The Iron-Tuff® Collection has been proven in the cold for... - RefrigiWear Iron-Tuff® Hiker Boot | Waterproof | Brown | Ragg Wool/Leather | 12. |