Stay cool and protected from the sun with the Classic Solara UV Protection Fitness Hat. Designed with extra UV protection that blocks 98% of the sun’s rays from penetrating your skin, this hat is ideal for any and every outdoor workout. Features a built-in moisture-absorbing sweatband to wick sweat from your forehead and an adjustable sure-fit strap for the perfect fit. One size fits most. UV protection blocks 98% of the sun’s rays Adjustable strap for customized fit Moisture absorbing sweatband Vent holes for breathability Pre-shaped bill One size fits most Sizing: Fits head circumferences 21.5″ to 23″.