About this item Safety Validated for US Standard / MOUNTALK ski helmets fully complies with ASTM F2040 safety standards. Solid & Comfortable / Our helmet features a high impact-strength ABS shell & shock absorbing EPS core Comfortable & Washable Pads / Soft velvet pads enveloped your head completely, to keep you warm, all inner pads and ear pads are removable and washable. Great Fitting Design / Deep "V" shape ear pads ensure enough room for your ears, keep you have a good fitting experience for long time use. Size Adjustable / We offer 2 sizes for adult and youth, and you can adjust size by the adjust dial ring.