Get Raider Helmet Size Chart Images. Best in class raider offers a full line of powersports helmets (mx helmets , full face helmets, open face helmets, and snow helmets, parts, ramps and atv & utv. Not sure about the size of your new helmet?
Keep the tape level across the back and comfortably loose.
Please note that both regular and long oval shaped helmets use the same liners. Over time the protective foam in helmets will adjust to the contours of a user's head. A helmet size chart with us hat size matched up with head circumference. Ski & snowboard helmet size chart.