What's more endearing to American ears than a British accent? Instead of annoying your friends and acquaintances with your best cockney, follow your Anglophile heart and get yourself in a Union Jack. The Queen will thank you. FidlockA(R) magnetic buckleRemovable spin dial fit systemDetachable visor Durable, injection-molded ABS shell with protective EPS foamCrumple Zone(TM) in EPS is engineered to disperse energy on impactEleven vents and internal EPS channeling for maximum airflowThree sets of foam pads for customized fit360Adeg reflectivityCPSC 16 CFR 1203 and ASTM F1492 certified for cycling, scooting, and skating For proper fit, measure your head before ordering.