| RefrigiWear Extreme Freezer Pull-On Boot | Waterproof | Black | Ragg Wool/Leather/Nylon | 7. RefrigiWear Boots | Gearing up for your day shouldn't be a chore. Start your shift in the Extreme Freezer Pull-On Boot with easy, no-fuss heavy-duty pull-on handles. Just step in and get to work. No laces means there's nothing to snag on machinery, so they are perfect for hazardous job sites. Each insulated work boot also has an ASTM/CSA composite safety toe, a CSA puncture-resistant plate, a rubber toe guard, and a rubber heel plate for added protection and durability. These men's insulated pull-on... - RefrigiWear Extreme Freezer Pull-On Boot | Waterproof | Black | Ragg Wool/Leather/Nylon | 7. |