New Adult Street Bike Bicycle Cycling Safety Carbon Helmet with Visor foam Imported &#x2605;Ultra-light Materials, Wear Light; Wind tunnel, Duct Design, Effectively Reduce Wind Resistance &#x2605;High-quality Foam Layer, the Adjustment Within the Twist,Front and rear strap adjusters to assist in proper fit &#x2605;Adjustable and Removable Visor and Visor Plugs Make this Bike Helmet Perfect &#x2605;Many Channeled Vents Bring Cool air in Through the Front