<b>COMFORTABLE SAFETY</b><br> Safety first. Hard ABS SHELL and EPS CORE for ADDITIONAL PROTECTION. Great comfort with extra padded edges.<br> <br> <b>SNUG & COMFORTABLE</b><br> Enjoy a PERFECT FIT with size ADJUSTMENT DIAL & adjustable straps - make sure to be both COMFY & SAFE!<br> <br> <b>BEST-IN-CLASS VENTILATION</b><br> 14 individual air vents that will keep you COOL & COMFORTABLE for HOURS OF FUN riding.<br> <br> <b>FUN DESIGNS</b><br> Have more fun when cycling with ALIEN SPACESHIPS, happy UNICORNS, WHALES under water & GRAFFITI.<br> <br> <b>Size:</b><br> 18.9 - 20.4 inch (48 - 52 cm)<br> <br> <b>Does the size fit my child?</b><br> Wrap a measure tape around the head of your child, keeping the tape just above the ears and level front to back - that should measure the widest part of the head.<br> <br> <b>Specifications:</b><br> - Weight: 0.55 lbs (250g)<br> <br> <b>Notice:</b><br> - This helmet is designed and intended exclusively for skateboarding, roller-skating and cycling. It is not intended for motor vehicle and will not provide adequate safety protection if used during motorsport. It is also not designed for sports other than those mentioned here.<br> - For maximum protection, the helmet must fit well, and all retention straps must be securely fastened.<br> - No helmet can prevent against all injuries. Serious injuries or death may occur by any unforeseeable impacts or blows. OutdoorMaster makes no claim that this helmet will eliminate all possibilities of injury.<br> - Every time you use this helmet, check that nothing is badly torn, missing or out of adjustment.