Suggested Retail: $141.11. O'Neal Sierra Helmet. The O'Neal Sierra Helmet is a product of Jim O'Neal Distributing Inc., born out of the need for better parts, apparel, and accessories for off-road racing. The helmet features a Polycarbonate/ABS shell construction and a moisture wicking, removable/washable air channeled comfort liner. It is equipped with vent holes for optimal ventilation, an integrated face shield, a height adjustable helmet shield, and a padded chin strap with a double-D safety lock. The helmet meets DOT FMVSS 218 and ECE 22.05 safety standards and is designed for Street, Enduro, Side by Side and Adventure Bikes. 3.94 x 3.94 x 3.94 inches. DIMENSIONS ARE ESTIMATED. Weight: 2195 Grams. Brand: O'Neal. Model: 0818-701. Num: lH4US0kYJKzvLro9JW24Ki. Lot Sticker: OH001.07-00000012-36. 7 CALENDAR DAY FULL REFUND GUARANTEE (FROM PRIMARY PICKUP DATE) ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 CALENDAR DAY STORAGE (FROM PRIMARY PICKUP DATE) IS ALSO AVAILABLE. THE PRIMARY PICKUP DATE IS THE DAY AFTER THE AUCTION ENDS. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.