Comfort soft 3D padding liner uses breathable technical fabric, hypoallergenic, fully removable and washable. Intake and exhaust ports ensure plenty of ventilation to keep you cool ABS ears are firmly fixed to the body of the helmet Quick release buckle system, provide perfect protection. Specification: Shell material: Qulaity ABS Liner material: 100% Polyester. Size: S M L XL XXL. 1 x Motorcycle Helmet with bluetooth or not, if you choose bluetooth, bluetooth will come, if you don't choose bluetooth, then it won't be included, please note.The earlier you pay, the sooner you will get the item. If you meet any problem during you are paying, feel free to let us know to give you a hand. Thank you for your understanding! You will get response within 24 hours. We are very glad to help you. Your satisfaction is the most important thing we pursue. Please be patient to wait for our reply, because we are in different countries, there is a time difference between us. Thank you for your understanding and we appreciate your business!