measure circumference around head in centimeters (like a headband)
The women’s Anon Aera helmet offers brimmed style in our Endura-Shell construction for long-lasting durability and strength. Simple Fit construction helmets features easily removable ear pads and liners making every model easily convertible for riders who want to run a beanie and goggle under their lid for that skate-inspired, ultra-low-profile look without sacrificing comfort. Active ventilation gives you one-handed control over airflow, so you can fine tune your temperature depending on the weather and activity. The long-haired fleece liner and ear pads offer maximum warmth and moisture-wicking comfort that’s silky to the touch.