TMS Adult TMS Gloss Black Dirt Bike ATV Motocross MX Helmet (Small) Beautiful gloss UV protective finish, light weight durable composite shell, heavily cushioned and comfortable interior, removable and washable padding, DOT approved new in box with cloth bag, well vented all purpose product for off-road riding. Condition: Brand New in Box Item No: HY-602 Gloss Black Main Color: GLOSS BLACK Please do not ask for changing size. We cannot guarantee that a different size will be in stock at the time of purchase. MEASURING YOUR HEAD before purchase: A small metal tape measure, or a cloth tape may be used to take your measurement. If possible, have a helper do the measuring in order to get a more accurate measurement. The circumference of the head should be measured at a point approximately one inch above the eyebrows, or at whatever point gives the largest possible measurement. Then check the SIZE CHART above for a correct custom fit. Small size: 21 1/2