As classic as a little black dress, the Smith Arrival Snow Helmet delivers the proven fit and function you expect from a Smith helmet, all with a ladylike polish and style.Removable, washable fleeced tricot lining offers soft comfort and lets you wear the helmet over a beanie.Removable goggles lock helps ensure your goggles stay with you after that head-over-heels wipeout through blower powder.Compatible with Skullcandy audio systems (not included).Complies with ASTM F 2040 and/or CE EN 1077 alpine ski and snowboard helmet safety standards.Sizes: S) 20.0-22.5 in; M) 22.5-23.25 in; L) 23.0-24.0 in.