Desert Skull Cap Biker Style Headwraps Doo - Royal Blue Made in USA Made in the U.S.A. / Free Shipping Desert Skull Caps have a long neck shade to protect from the sun. 100% Cotton Breathable Fabrics with Super Absorbent 100% Cotton Terrycloth Sweatband. No more sweat stains in the front or sweat in your eyes. They can be worn under hard hats, helmets, welders, paintball sports and are even popular for snorkeling because they shade the neck. As a 25 year old American manufacturing company, we make all of our skull caps in sunny Phoenix, Arizona. We have great quality and customer service.