I have kept this helmet indoors for display purposes and have never worn it. Size M-L (57-60cm) Everything in the photos is included. Lightweight Ultra Carbon Racing Helmet This flagship model uses high-end materials to achieve both light weight and strength. Aerodynamic performance developed through wind tunnel testing, actual riding tests, and MotoGP races provides stability at high speeds, allowing for comfortable and stable sports riding. Outer shell material: Carbon & composite fiber Inner lining: Removable and washable Chin strap: D-ring Standards: SG standard (MFJ approved) It will be shipped in a recycled cardboard box with cushioning material. Thank you for looking.