From Fox, an youth designed MTB Full Face helmet, with all the important features you expect from Fox. The legendary Rampage helmet features a lightweight injection moulded ABS shell inspired by Foxs iconic Rampage Pro Carbon helmet. Protection Lightweight, Injection moulded ABS tough shell with an EPS shock absorbing liner. Comfort Injected mesh vent screens maintain superior ventilation while keeping rocks and twigs at bay as you shred the trails. The fully adjustable visor, goggle compatibility and proven Dring closure system add additional big mountain function to this essential style. Confidence Wear this helmet with confidence, knowing youve got Fox protection. Australian Standard Certification All bicycle helmets sold in Australia must have the Australian Standards currently its AS/NZS 2063:2008, all fox helmets are tested to this standard. Small = 49-50cm Large = 51-52cm