Your favourite sweat-wicking, highly-ventilated running cap gets an improved, adjustable fit. The Favourite RefreshedIt's our fan favourite, made even better. We’ve dialed up the comfort with a new and improved fit and a branded adjustable buckle for one-size-fits-all energy. (But because you loved it, we’ve kept the same classic curved, sun-blocking brim). Maxed-Out-VentilationIt's fundamental that your running cap keeps you feeling fresh. This one has perforated side panels to deliver maximum ventilation and a reflective On logo for a standout look. Plus, it’s made with recycled polyester. No Sweat (Well, Some)We can’t stop you sweating, but we can stop you feeling sweaty. Our cap features a high-performance sweatband that speedily wicks away perspiration. So you can run free, and feel good doing it.