<b> OUWOR helmet with more protection </b><br> OUWOR helmet is made of strong ABS and high quality EPS, light weight for cozy wearing, and provides more safety. <br> <br> <b> Suitable sports </b><br> Skateboarding <br> Roller skating <br> Inline skating <br> Scooter <br> Biking <br> Longboard <br> Rollerblading <br> Hoverboard <br> Street dance <br> <br> <b> Suitable users </b><br> Adult / Men / Women / Youth / Kids / Children / Toddlers <br> <br> <b> Colors and size chart </b><br> Various colors and sizes for users of different ages, genders, head circumferences. <br> <b> Size: </b> Choose the helmet size according to the head circumference classification. <br> <b> S: </b> 48-54 cm (18.9-21.3 inches). <br> <b> M: </b> 54-57 cm (21.3-22.4 inches). <br> <b> L: </b> 57-61 cm (22.4-24 inches). <br> <br> <b> Fully adjustable </b><br> <b> Crank adjustment dial</b> in the back of helmet and chin straps are adjustable to fit user comfortably from 360 degree. The chin straps and chin pads are soft, no more worries about that the straps may scratch child's sensitive skin. Straps buckle is easy to fasten and release. <br> <br> <b> Padding system </b><br> The interior padding system, <b>2 sets</b> of interchangeable pads with <b>different thickness</b> (5 mm and 8 mm), provides effective shock absorption and sweat absorption, makes you cool while wearing. The pads are removable for cleaning, keep you away from odor and dust. Please use mild soap and water only for cleaning.<br> <br> <b>Package includes</b><br> 1 x helmet <br> 1 x carrying bag