Chase the runner's high with Under Armour! Anything but ordinary, the Under Armour Iso-Chill Launch Snapback lets you turn your run into a joyful ride. Crafted for runners who demand more than just sun protection, this snapback hat helps you break your PRs in absolute comfort and style. Lightweight and ultra-stretchy, this snapback hat comes with trucker mesh side panels to keep your head cool during hot summer runs. The Iso-Chill sweatband helps disperse body heat, so you can breeze through your daily runs with ease. Run and rock every mile without dripping sweat by sporting the Under Armour Iso-Chill Launch Snapback. Under Armour Iso-Chill Launch Snapback features: Lightweight, durable woven fabric offers comfort. Adjustable snapback closure delivers a personalized fit. Flat foam visor brim adds structure. Reflective details provide visibility in low-light conditions. One size fits most. 100% polyester.