The Iso-Chill Drive Low Stretch cap from Under Armour is made from durable stretch fabric for a comfortable fit. With UPF 50+ offers added protection from harmful sun rays while the curved bill shades your eyes for more immediate protection. The spacer mesh back panel and laser-perforated side panels provide all-around ventilation to keep you cool on the course. The cap also has an Iso-Chill sweatband to help disperse body heat, making it feel cool to the touch, so you keep a cool head no matter what the day brings. FEATURES: 95% Polyester, 5% Elastane Durable stretch fabric on front panel with UPF 50+ protects your skin from the sun's harmful rays Spacer mesh back & side panel for all-around ventilation Iso-Chill sweatband helps disperse body heat, making it feel cool to the touch Side fabric loop for holding a tee Stretch fit design for customized comfort WARRANTY1 Year Manufacturer’s Warranty