Dot Full Face Helmets Adult ATV Motocross Dirt Bike Motorcycle BMX MX Downhill Off-Road MTB Mountain Bike Helmet for Men Women

FEATURES: Beautiful glossy UV protective finished Light weight extremely durable composite shell Heavily cushioned and very comfortable interior Removable and washable padding Well vented all purpose product for summer or winter riding Well vented all purpose product for off-road riding Head Circumference: Adult helmet size chart: ?Md Centimeter: 55-57CM=21.65-22.44nches?; ?Lg Centimeter: 58-60 CM=22.83- 23.62 inches?; ?XL Centimeter: 61-62CM=23 3/4 - 24 1/4 inches?; ?XXL Centimeter: 63-64CM=24 4/5 - 25 1/5 inches? Size Guide: To ensure proper sizing, please do the following: Take a head measurement with a cloth tape measure. Wrap 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. The widest measurement will give you your helmet size. If you don't have a tape measure, you can use a piece of string and measure using a ruler.