FOX RAMPAGE COMP PREME HELMETThe Rampage Comp Helmet raises the stakes for mid-level full face mountain bike helmets. Pulling from the championship winning formula of Fox's class leading Rampage Pro Carbon, they created a super light fiberglass shell to keep it as competitive in the market as it is on the race course. Remarkably lightweight and well ventilated, the helmet provides comfort and performance for every mountain bike rider.FeaturesRace-ready, lightweight fiberglass shellChanneled EPS for improved airflowPoured PU chinbar construction for added protectionMultiple EPS and shell sizes for a pro-level fitSPECIFICATIONSShell MaterialFiberglassCore MaterialEPS FoamVentsChanneledSafety CertificationsTBDIntended UseDHWeightTBDSizingHow to Measure:With a cloth measuring tape, find your heads circumference just above the ears.Helmet SizeExtra SmallSmallMediumLargeExtra LargeXX LargeHead Circumference20.75"-21.25"21.75"-22.25"22.25"-23.25"23.25"-23.75"23.75"-24.75"24.75"-25.25"