Features： 1、Made of quality polyester fabric, warm, soft, anti-pilling and durable 2、The edge is trimmed with elastic material, comfortable to wear and not prone to deform 3、Ergonomic design, won't make you feel snug and can protect your ears as well 4、Unisex styling, suitable for both men and women. One size design is suitable for most people 5、Suitable for keeping warmth while doing sports in outdoor, like running, cycling, etc Specification： Features: Made of quality polyester fabric, warm, soft, anti-pilling and durable. The edge is trimmed with elastic material, comfortable to wear and not prone to deform. Ergonomic design, won't make you feel snug and can protect your ears as well. Unisex styling, suitable for both men and women. One size design is suitable for most people. Suitable for keeping warmth while doing sports in outdoor, like running, cycling, etc. Specification: Material: Polyester Gender: Unisex Size: Approx. 26 x 12cm / 10.24 x 4.72inch (suitable for head circumference 53-60cm / 20.87-23.62inch) Weight: Approx. 21g     Package List: 1 x Headband Package List：