Free Smoke Shield with Purchase! Snell M2015 Approved DOT Full Face Helmet Motorcycle Street Racing (XL - Red) Great value on a Snell M2015 rated helmet that includes a FREE smoke tinted shield (standard clear also included) Sculpted aerodynamic shell offers a lightweight and sleek design Comfortable interior with removable & washable liner For more clear and mirrored shields, search "Typhoon Snell Visor" Please measure for size. Each manufacturers sizing is different. SIZE CHART (Circumference of the largest part of your head, usually just above the eyebrows) in inches MEDIUM: 21  to 22, LARGE: 22 to 22 , XL: 22  to 23, XXL: 23 to 23 . Head shapes can affect how a helmet fits. The size chart is meant to be a starting point. Snell M2015 Rated Also meets Department of Transportation (DOT FMVSS218) requirements Lightweight shell and a plush interior Liner is easily removable &amp; machine washable Channel vents and exhaust vents allow maximum air flow Comfortable chin strap D-ring closure and strap keeper Snell sticker is attached under the liner Helmet weighs just under 4lbs Soft helmet storage bag included Take a head measurement with a cloth tape measure. Wrap the tape measure around your head one inch above your eyebrows, directly above your ears and to the widest area at the back of your head. This will give you the circumference, which is the measurement displayed below. Breathable fabric lined padding Soft contact points Lower helmet noise Reduces helmet lift Adjustable ventilation