FerDIM Skateboard Helmet Kids/Adult Bike Helmet CPSC Certified for Skate Scooter Skateboarding Skiing Rollerblade

Fully Adjustable for a Custom Fit: Provided the rotary knob on the back of the skateboard helmet and length-adjustable chin straps included soft velvet chin pad to fit a variety of head sizes easily and comfortably. Vent Design & Removable Lining: With 11 large vent openings apply to the skate helmet for good ventilation to keep your head cool during intense use; You can easily remove the inner lining of bike helmet and wash away any sweat after one day using. Manufactured by FerDIM. The Scooter Helmet is Ideal for skateboarding biking skate scooter rollerblade longboard hoverboard inline skating roller skating cycling rock climbing BMX and so on. Various colors for baby boys girls children teen men and women. Helmet with 3 Size: Small: 19.7''-21.3'' ( 50-54cm ) Medium: 21.3''-22.8'' ( 54-58cm ) Large: 22.8''-24.4'' ( 58-62cm ). NOTE: Please choose the skateboard helmet size according to your head circumference REFER to picture 7 for the Measurement Methods. Complies with Standards of CPSC. Our skateboard helmet with strong ABS plastic shell resists impact and high quality EPS foam liner provides shock absorbing protect your head effectively.