| RefrigiWear Iron-Tuff® Vest | Sage | Fit: Big & Tall | Ragg Wool/Polyester/Nylon | M. RefrigiWear Vests | Comfort Rating: -50°F Tear and abrasion resistant nylon outershell Water-repellent, wind-tight finish Keeping your core warm is vital to overall warmth. Indoors or outdoors, vests keep you warm while keeping your arms free to tackle your to-do list. The Iron-Tuff® Vest is great for high activity, protecting your core while you check off every item and then some. The tough, extended back and the insulated knit collar on this thermal vest keep the cold form creeping down your... - RefrigiWear Iron-Tuff® Vest | Sage | Fit: Big & Tall | Ragg Wool/Polyester/Nylon | M. |