DescriptionThe helmet protective liner hat adopts safe materials and good manufacturing process with high reliability. The material is breathable and can offer your head protection effect and you a comfortable wearing feeling. It is proper for motorcycle, bike, electric vehicle, very universal.Features- Color: Black, dark grey. - Material: Polar fleece, spandex, polyester. - Size: 25.00X20.00X0.50cm/9.82X7.86X0.20inch. - Manufactured with safe and breathable materials, comfortable and durable, the helmet liner can serve you for a long time. - Wear-resistant, not easy to deform and break, can bring you a better wearing feeling. - Very professional and universal, can be suitable for skateboard helmet, bike helmet, snowboarding helmet, motorcycle helmet, and so on. - Reasonable design, keeps your head and ear warm and cozy under helmet in cold days. - With right thickness that is not too tight to make you feel uncomfortable under helmet, protects your head.