The Giro Revolver is a low profile, resilient, difficult shell with just the right quantity of brim and design. Features like the interior subliner, our interior goggle channel makings room for your strap, and Stack Vent that assists keep your goggles fog totally free, offer you all the alternatives you have to dial in your set up.Giro Revolver Ski/Snow Helmet Key Features: o 3 Fit Kit Sizes (SM (52-55.5 cm), MD (55.5-59cm), LG (59-62.5 cm))o Hardshell Constructiono Interior Sublinero Interior Goggle Channelo 6 Super Cool Vents With Mesh Coverso Stack VentSize: o Medium - 21.75" - 23"** Retail Purchase Price: $70If you are interested or have any more questions, CALL me. Willy