Four Leaf Clover Embroidered Hi Vis Yellow, Flame Resistant Skull Cap is made from super soft inherently FR blend. It's breathable and offers excellent warmth and has a whopping 36 cal rating.
The Skull Cap can be worn under a hard hat or welding mask in the field or while skiing! The FR Hat is indistinguishable from a premium store bought knit cap. It's made in the USA from a double layer circular knit. The seamless tube gives it comfort, stretch, and recovery. It will not "Shrinkwrap" your head like others on the market.