| RefrigiWear Iron-Tuff® Coveralls | Sage | Fit: Big & Tall | Ragg Wool/Polyester/Nylon | XL. RefrigiWear Comfort Rating: -50°F Tear and abrasion resistant 400 denier nylon outershell Water-repellent, wind-tight finish Complete protection, supreme durability. Iron-Tuff® Coveralls give you all-over warmth in one tough garment. You can search, but you're not going to find such tough, long-lasting coveralls that will protect you down to -50°F. Work in confidence, comfort and warmth in any frigid environment. The abrasion-resistant, water-resistant, wind-tight 400-denier nylon outer shell... - RefrigiWear Iron-Tuff® Coveralls | Sage | Fit: Big & Tall | Ragg Wool/Polyester/Nylon | XL. |