The Taylormade Tour Radar Cap features a moisture wicking sweatb&, & it is made from 100% polyester fabric. It is outfitted with a dark under bill to reduce glare during sunny days. The adjustable back allows golfers of different head shapes & sizes to find the best fit possible. This cap provides up to 30 UPF UV protection form the sun. A cap that removes moisture from your forehead has the ability to keep the stinging sweat out of your eyes. The Taylormade Tour Radar Cap is ideal for summertime golf.