| RefrigiWear Frostline® Cap | Lightweight | Gray | Ragg Wool/Acrylic/Fleece | One-Size. RefrigiWear Reflective yarn woven into capDual-layer Polartec® fleece lining for more comfort and warmthMade from recycled materials The Frostline® Cap pairs the safety of reflective yarn with the warmth of a Polartec® fleece lining to give you the ultimate knit cap. The lining is made from recycled materials, so the Frostline® Cap doesn't just help you stay warm, it's also eco-friendly. When workers aren't weighed down, they accomplish amazing things. With Frostline® Collection, you get incredibly... - RefrigiWear Frostline® Cap | Lightweight | Gray | Ragg Wool/Acrylic/Fleece | One-Size. |