You're a runner, and you need a hat that will keep the sun out of your eyes and off your neck. You also need a hat that won't fly off your head when you hit a stride. This is where the Runner Cap comes in! Made with 100% Nylob & Mesh Fabric, this cap is designed to breathe while keeping the sun at bay. And if the weather changes on you? No problem! The Center Release Buckle makes it easy to customize your fit, so you can stay comfortable no matter how hard you're pushing yourself.