Adult Snocross Snowmobile Helmet & Goggle Combo - Blue, Matte Black (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