●PERFORMANCE KNIT FABRIC - Soft, durable, stretchable fabric for comfort ●ONE SIZE FITS MOST - Elastic band fits snug and comfortable to head ●INSTANT COOLING RELIEF - When wet, cooling is immediate and can last for hours ●MOISTURE-WICKING - When dry, will absorb sweat and wick moisture away ●SUN PROTECTION - UPF 50+ protection from harmful UV rays