| RefrigiWear Iron-Tuff® Enhanced Visibility Siberian™ | Navy | Fit: Big & Tall | Ragg Wool/Polyester/Nylon | M. RefrigiWear Jackets | Comfort Rating: -50°F Tear and abrasion resistant 400 denier nylon outershell Water-repellent, wind-tight finish When tough jobs and tough conditions combine, you need the reliable protection of the Iron-Tuff® Enhanced Visibility Siberian™. Even when temps drop as low as -50°F, this coat will keep you warm. This coat's abrasion-resistant, water-resistant, wind-tight 400-denier nylon outer shell is strong and durable. With 11.25 oz. RefrigiFill™ polyester insulation and... - RefrigiWear Iron-Tuff® Enhanced Visibility Siberian™ | Navy | Fit: Big & Tall | Ragg Wool/Polyester/Nylon | M. |