Face up to big air with confidence and style with the Bern Macon Winter helmet on your dome! ; ABS shell with EPS thinshell. EPS hard foam meets ASTM F 2040 and EN 1077B standards for snow and ski, CPSC and EN 1078 standards for bike and skate. Thirteen vents with removable vent cover for optimum breathability. Micro-adjustable for a custom fit. Cordova liner for superior comfort. Hunter knit detailing with cordova liner for maximum warmth and comfort. (Black/Red Buffalo Plaid) ; All Season interchangeable liner system allows you to customize your helmet with up to six different configurations. Bern's trademark Sink Fit design creates a low-profile style that combines with a deep surround fit and feel. Imported. Measurements: ; Circumference: 23 1 2 in ; Product measurements were taken using size LG/XL (57-60.5 CM Circumference). Please note that measurements may vary by size.