Dirt Bike Helmet & Goggles ATV Motocross DOT, Red w/Red (Md) This adult off road goggle combo is loaded with features! Certified to meet the DOT standard (FMVSS 218) Removable and washable liner This is the perfect choice for those looking for a high quality motocross, off-on road, or ATV helmet package at an affordable price PLEASE MEASURE & CHECK YOUR SIZE BASED ON OUR SIZE CHART BEFORE ORDERING (Sizes vary by brand) SIZE CHART (Circumference of the largest part of your head, usually just above the eyebrows) in inches SMALL: 22 to 22  - MEDIUM: 22  to 23 - LARGE: 23 to 23  - XL: 23  to 24 - XXL: 24 to 24.; (Circumference of the largest part of the head, just above the eyebrows, above the ears, and around the largest point at the back of the head). Do not pull the tape (or string) tight, leave a little slack. Liner is easily removable &amp; machine washable Intake vents, channel vents and exhaust vents allow air flow 3 point sun visor Standard chin strap d-ring closure and strap keeper Soft and comfortable interior Weighs just under 3lbs Helmet 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. Anti-fog, anti-scratch coatings 1 3/4&#034; woven strap with anti-slip silicone Urethane frame with comfortable face foam Impact resistant clear Lexan lens