Stay warm while you run in the On Core Headband. This sporty headband keeps your ears warm during the winter and gives you another reason to run outside in the cold. It will stay put thanks to its ergonomic fit, so you can concentrate on your workout instead of readjusting your headband. Details Brushed lining for warmth and comfort Designed to cover the ears Run-ready fit that's made to stay put Laser-cut reflective logo Made with quick-drying, recycled polyamide Subtle and easy to style Ideal for use in temperatures between 32°F and 50°F Ergonomic fit for all head sizes