{"product_id":"oneal-sierra-dual-sport-helmet-black-grey-large-dot-ece-certified-integrated-face-shield","title":"O'NEAL Sierra Dual-Sport Helmet Black\/Grey Large — DOT \u0026 ECE Certified, Integrated Face Shield","description":"\u003cp\u003e\u003cstrong\u003eThe O'Neal Sierra Helmet in Black\/Grey (Large) is a rugged, DOT and ECE-certified dual-sport helmet built for street, enduro, side-by-side, and adventure riding.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned by a brand born on the race circuit, this helmet blends a tough polycarbonate\/ABS shell with rider-focused features like an integrated face shield, moisture-wicking liner, and adjustable peak. At about 1590g (±50g), it balances protection and comfort for long rides and mixed-terrain days. The Sierra is engineered to meet DOT FMVSS 218 and ECE 22.05 standards, giving you recognized certification for road and off-road use.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this helmet manage ventilation and comfort on long rides?\u003c\/h3\u003e\n\n\u003cp\u003eThe Sierra uses strategic vent holes and an air-channeled comfort liner to keep airflow moving across your head. The removable, washable liner helps control sweat and odor, while padding and the chin strap provide a secure, comfortable fit throughout the day.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eAir-channeled comfort liner wicks moisture and is removable for washing\u003c\/li\u003e\n  \u003cli\u003eMultiple vent openings for consistent airflow across the helmet\u003c\/li\u003e\n  \u003cli\u003ePadded chin strap with Double-D safety lock for snug retention\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat protective features does the O'Neal Sierra Helmet include?\u003c\/h3\u003e\n\n\u003cp\u003eProtection starts with a mixed polycarbonate\/ABS outer shell that absorbs impacts while keeping weight reasonable. The integrated face shield offers clear frontal protection and the helmet meets both DOT and ECE certifications for verified safety performance on public roads and international standards.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003ePolycarbonate\/ABS shell construction for impact management\u003c\/li\u003e\n  \u003cli\u003eIntegrated face shield for frontal protection and debris deflection\u003c\/li\u003e\n  \u003cli\u003eCertified to DOT FMVSS 218 and ECE 22.05 safety standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan this helmet adapt between off-road and street riding?\u003c\/h3\u003e\n\n\u003cp\u003eYes — the Sierra is designed specifically for multi-discipline use. The height-adjustable peak helps block sun and roost when off-road, while the integrated face shield and certifications make it legal and practical for street and adventure touring.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eAdjustable helmet shield\/peak for sun and debris control\u003c\/li\u003e\n  \u003cli\u003eIntegrated face shield for street-legal riding without extra attachments\u003c\/li\u003e\n  \u003cli\u003eBalanced weight (~1590g ±50g) suitable for extended mixed-terrain use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the fit and fastening system work?\u003c\/h3\u003e\n\n\u003cp\u003eFit is secured with a padded chin strap and a Double-D ring closure that offers a precise, reliable hold favored by many riders. The interior liner adds shaping and comfort while being removable to keep the helmet fresh after repeated use.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003ePadded chin strap with Double-D safety lock for secure retention\u003c\/li\u003e\n  \u003cli\u003eRemovable, washable liner for hygiene and repeated use\u003c\/li\u003e\n  \u003cli\u003eAvailable in this listing as Black\/Grey, size Large for head circumference matching the size chart\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this helmet for? The O'Neal Sierra in Black\/Grey (Large) suits riders who split their time between paved roads and dirt: adventure motorcyclists, enduro racers, UTV\/side-by-side drivers, and commuters who want one helmet that performs across environments. It’s a good choice if you need a certified, versatile helmet with an integrated shield, durable shell construction, and user-serviceable comfort lining.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the O'Neal Sierra helmet street legal?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. This model meets DOT FMVSS 218 and ECE 22.05 standards for street and international use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I remove and wash the interior liner?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The Sierra features a removable, washable comfort liner to keep the helmet clean and fresh.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"O'NEAL","offers":[{"title":"Default Title","offer_id":55172537581911,"sku":"B095WFGZFF","price":227.88,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/oneal-sierra-front-view-black-grey.jpg?v=1790451612","url":"https:\/\/britishgarage.co.uk\/products\/oneal-sierra-dual-sport-helmet-black-grey-large-dot-ece-certified-integrated-face-shield","provider":"British Garage","version":"1.0","type":"link"}