Rongbenyuan Skateboard Helmet Adult Youth Kids, Bike Helmet for Women Men CPSC & ASTM Certified

ASTM & CPSC SAFETY CERTIFIED Built for both comfort and safety with REINFORCED ABS SHELL & SHOCK-ABSORBING EPS FOAM CORE. CLASSIC SKATEBOARD HELMET DESIGN Classic skateboard helmet design, simple and beautiful. ADJUSTABLE SYSTEM Adjust the strap and side buckle for a comfortabe fit. GOOD VENTILATION SYSTEM 12 big vents to KEEP YOU COOL and COMFORTABLE while doing sports. BONUS Send you a portable bag placing order. SIZES: S 19.7'-21.3' / 50-54cm M 21.3'-22.8' / 54-58cm L 22.8'-24.8' / 58-62cm HOW TO CHOOSE A CORRECT HELMET SIZE? Take a soft measuring tape and wrap it around your head about 1" above your eyebrows and ears. Then, choose a helmet size that matches your measurement. NOTE: IF YOU ARE NOT SATISFIED WITH OUR HELMET, KINDLY RETURN FOR REFUND or REPLACEMENT. Any question, plsease feel free to contact us. This helmet is designed for cycling, tricycle, skate, skateboard, inline skate, roller skate, rollerblade, scooter, climbing, bmx, mtb, pogo, etc., not for motor vehicle. For maximum protection, you must wear the helmet correctly.