Adult Snocross Snowmobile Helmet & Goggle Combo - Matte Black, Black/White (Medium) Our adult snocross combo is loaded with features! 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 SMALL: 22 to 22  - MEDIUM: 22  to 23 - LARGE: 23 to 23  - XL: 23  to 24 - XXL: 24 to 24  Head shapes can affect how a helmet fits. The size chart is meant to be a starting point. Helmet features a comfortable removable liner, adjustable breath box, lightweight shell and is certified to meet the DOT standard (FMVSS 218) Goggles feature superior oversized triple layer foam, 2 double pane antifog coated lenses (rose & clear) and a zippered hard case for storage This is the perfect choice for those looking for a high quality snocross helmet and goggle package at an affordable price DOT Certified 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 Strong, flexible polyurethane frame Superior over-sized triple layer foam with moisture-wicking fleece foam Large no-slip silicone ribbed elastic strap for a secure fit Double pane lens with anti-fog coating Rose tinted lens installed improves contrast in bright to moderate light conditions Additional clear lens included for low light conditions 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. Removable &amp; Washable Comfort Liner Comfortable and washable; this helmet features a moisture wickingliner and cheek pads made with soft materials and evenly distributed contact points. Easy installation Bends to form to your face Reduces fog and ice on goggles Aerodynamic shell design Helmet stays put and you stay cool. We were able to design the perfect shell to eliminate unwanted helmet lift and vent the way a helmet should.