MBS: Modular Brim System allows the wearer to perfectly match up the ventilation between their goggles and helmet, to promote air flow and reduce fogging up In-Mold Construction: Lightweight EPS Shell construction BOA Fit System: 360 degree customizable fit Fidlock Closure: A magnetic snap closure that is glove friendly Adjustable Ventilation: On the fly adjustability for the changing weather conditions Removable Comfort Liner and Ear Pads: Removable and washable for maintained freshness, or if you'd rather wear a beanie Removable Goggle Strap Retainer: For those that wear their goggles underneath the helmet Medium (55-59cm) / Large (59-63cm). This item is in the category "Sporting Goods\Winter Sports\Skiing, Snowboarding & Snowshoeing\Other Ski & Snowboard". The seller is "s2as" and is located in this country: GB. This item can be shipped worldwide.