Kids and youths cycle helmets are designed to be light, comfortable and allow for growth, they are specifically designed with this in mind to ensure your child is comfortable whilst wearing it and enjoys the ride. When measuring your child's head you need to measure around the circumference, in-line with the temples and above the ears, head shapes will vary so most will come with foam padding which can often be moved around to ensure a good fit. From Skid lids to MTB helmets, all you need to keep your kid safe. All helmets sold at Fatbirds meet BS EN 1078:1997 standards, which is identical to the EU standard, and which replaced BS 6863:1989 in 1997