| RefrigiWear Class 3 Sweatshirt #642 | Black/Lime | Ragg Wool/Polyester/Fleece | M. RefrigiWear Class 3 compliant hooded zipper sweatshirt, 9 oz. polyester fleece, 2" 3M™ Scotchlite™ reflective tape (25 washes) for 360° visibility. RefrigiWear Class 3 Sweatshirt #642 | Black/Lime | Ragg Wool/Polyester/Fleece | M... - RefrigiWear Class 3 Sweatshirt #642 | Black/Lime | Ragg Wool/Polyester/Fleece | M. |