| RefrigiWear Plain Toe Double Insulated Pac Boot #B22 | Waterproof | Brown | Ragg Wool/Leather/Thermolite | 8. RefrigiWear Plain Toe, 100% waterproof, leather top, slip resistance rubber bottom, 600g Thinsulate insulation, removable Thermolite liner. Comfort rating to -75°F. RefrigiWear Plain Toe Double Insulated Pac Boot #B22 | Waterproof | Brown | Ragg Wool/Leather/Thermolite | 8... - RefrigiWear Plain Toe Double Insulated Pac Boot #B22 | Waterproof | Brown | Ragg Wool/Leather/Thermolite | 8. |