Features: The helmet lining not only protects your skin, but also keeps sweat away from the skin. A comfortable feeling is-guaranteed. Made of cool fabric, it will not slip or interfere with the helmet. As soon as you wear it, you will feel cool and it is perfect for wearing under a helmet and safe helmet. Suitable for head circumference of 52-60cm/20.47-23.62inch, it is breathable and elastic, without feeling compression, providing you with a comfortable experience. Both men and women can wear a sunscreen helmet lining for different activities indoors or outdoors. Protect your head from UV-rays. Suitable for motorcycles, cycling, walking, hiking, running, exercising, gym, tennis, basketball, and other sports. Specifications: Material: Ice Silk Color: Camo-Black/Camo-Blue/Camo-Green/Camo-Purple Head Circumference: 52-60cm/20.47-23.62inch Note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Helmet Liner