The Friendly Swede Running Headband Ear Warmer - 2-Pack, Sports Headband for Outdoors, Running, Cycling, Hiking - Ideal as Liner Under Helmets ULTRA COMFORTABLE FOR MEN AND WOMEN: The headbands are ultralight, wrinkle-free and durable. They are very comfortable and because of their thin material, they are especially beneficial for runners or for those wearing a helmet over the headband. EAR PROTECTION: The fleece-like fabric on the inside is soft and will keep your ears and head protected from wind and cold without being too warm for a morning run, even in the spring. ONE SIZE - STRETCHABLE MATERIAL: The width of the headband is 2.95 at its widest point and 4.9 at the ears. Unstretched, it is 18.5 in circumference. Made of 93% polyester and 7% spandex, this headband is very stretchy. It adapts to your head size and sits comfortably and firmly. NOTES: Head shapes, sizes and hair volume vary from person to person and can influence comfort and fit. The headbands are machine washable (30C). We recommend that you wash the headband separately or with like colors, the first three times, as the color may bleed. Do not use bleach or fabric softener or wash with cotton fabrics. LIFETIME WARRANTY: This product is covered by The Friendly Swede's Lifetime Warranty which you can register for on our website. Our customer service team is here for you and happy to help answer ANY questions you may have in &lt;24hrs. Just copy-paste this link into your browser: http://amzn.to/1AmGlj8