Dual Sport Helmet Combo w/Gloves - Off Road Motocross UTV ATV Motorcycle Enduro - Blue, Black - Medium Excellent riding combo including helmet & gloves! Helmet can be quickly converted from a shield configuration to a shield-less configuration that can be used with goggles. Certified to meet the DOT standard (FMVSS218). 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: 21 to 22, MEDIUM: 22 to 22 , LARGE: 22  to 23, XL: 23 to 23 , XXL: 23  to 24. Head shapes can affect how a helmet fits. The size chart is meant to be a starting point. Please be aware that if you return this item for a refund your order will be refunded less the original shipping charges we incurred to ship the order to you.