Chloe Mountain Girl Sassy Womens Bike Helmet, Gray Blue Cottonwood Fusion In-Mold design delivers a durable, lighter helmet Spin Action Fit belt offers maximum adjustment at the turn of a dial Exclusive Bell Cam Locks adjust easily for a comfortable fit Twelve top vents and five rear vents for a cool ride Visor offers protection from the sun and elements Fits head sizes: 5057cm