{"product_id":"hjc-c91-solid-modular-helmet","title":"HJC C91 Solid Modular Helmet","description":"\u003cp\u003eThe HJC C91 Solid Modular Helmet is designed for street and touring riders who want the convenience of a flip-up chin bar with the protection and comfort of a full-coverage motorcycle helmet. Its lightweight polycarbonate composite shell, integrated sun shield, moisture-wicking interior, and HJC ventilation system make it a versatile choice for commuting, touring, and everyday riding.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eModular flip-up helmet design\u003c\/li\u003e\n  \u003cli\u003eAdvanced polycarbonate composite shell provides lightweight protection and comfort\u003c\/li\u003e\n  \u003cli\u003eCAD-developed shell design helps provide a secure and comfortable fit\u003c\/li\u003e\n  \u003cli\u003eAdvanced Channeling Ventilation System promotes front-to-back airflow\u003c\/li\u003e\n  \u003cli\u003eMultiple intake and exhaust vents help remove heat and humidity\u003c\/li\u003e\n  \u003cli\u003eHJ-17 Pinlock®-ready clear face shield\u003c\/li\u003e\n  \u003cli\u003eRapidFire™ shield replacement system allows quick, tool-free shield removal and installation\u003c\/li\u003e\n  \u003cli\u003eIntegrated internal sun shield\u003c\/li\u003e\n  \u003cli\u003eMoisture-wicking interior helps improve rider comfort\u003c\/li\u003e\n  \u003cli\u003eRemovable and washable crown liner and cheek pads\u003c\/li\u003e\n  \u003cli\u003eGlasses-friendly interior design\u003c\/li\u003e\n  \u003cli\u003eSpeaker pockets accommodate Bluetooth communication systems\u003c\/li\u003e\n  \u003cli\u003eMicrometric chin-strap closure\u003c\/li\u003e\n  \u003cli\u003eDesigned for street, commuting, and touring motorcycle riding\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv class=\"wops-size-data\" data-audience=\"adult\" data-product-type=\"helmet\" data-measurement-1=\"Head Circumference\" data-measurement-2=\"\" data-sizes='[\n    {\"name\":\"X-Small\",\"min1\":21.25,\"max1\":21.625},\n    {\"name\":\"Small\",\"min1\":21.625,\"max1\":22},\n    {\"name\":\"Medium\",\"min1\":22.125,\"max1\":22.875},\n    {\"name\":\"Large\",\"min1\":22.875,\"max1\":23.25},\n    {\"name\":\"X-Large\",\"min1\":23.625,\"max1\":24},\n    {\"name\":\"2X-Large\",\"min1\":24.375,\"max1\":24.75}\n  ]' style=\"display:none;\"\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eHJC C91 Adult Helmet Size Chart\u003c\/h3\u003e\n\n\u003cdiv style=\"overflow-x:auto;\"\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse; min-width:720px;\"\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth style=\"border:1px solid #ddd; padding:9px; text-align:left;\"\u003eSize\u003c\/th\u003e\n      \u003cth style=\"border:1px solid #ddd; padding:9px; text-align:left;\"\u003eUS Hat Size\u003c\/th\u003e\n      \u003cth style=\"border:1px solid #ddd; padding:9px; text-align:left;\"\u003eHead Circumference (Inches)\u003c\/th\u003e\n      \u003cth style=\"border:1px solid #ddd; padding:9px; text-align:left;\"\u003eHead Circumference (Metric)\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:9px;\"\u003eX-Small\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:9px;\"\u003e6 3\/4-6 7\/8\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:9px;\"\u003e21 1\/4-21 5\/8 in.\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:9px;\"\u003e54-55 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:9px;\"\u003eSmall\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:9px;\"\u003e6 7\/8-7\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:9px;\"\u003e21 5\/8-22 in.\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:9px;\"\u003e55-56 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:9px;\"\u003eMedium\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:9px;\"\u003e7 1\/8-7 1\/4\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:9px;\"\u003e22 1\/8-22 7\/8 in.\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:9px;\"\u003e57-58 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:9px;\"\u003eLarge\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:9px;\"\u003e7 1\/4-7 3\/8\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:9px;\"\u003e22 7\/8-23 1\/4 in.\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:9px;\"\u003e58-59 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:9px;\"\u003eX-Large\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:9px;\"\u003e7 1\/2-7 5\/8\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:9px;\"\u003e23 5\/8-24 in.\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:9px;\"\u003e60-61 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:9px;\"\u003e2X-Large\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:9px;\"\u003e7 3\/4-7 7\/8\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:9px;\"\u003e24 3\/8-24 3\/4 in.\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:9px;\"\u003e62-63 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow to Measure:\u003c\/strong\u003e Wrap a soft measuring tape around the widest part of the head, just above the eyebrows and ears. Keep the tape level and comfortably snug, repeat the measurement, and use the largest result.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFit Note:\u003c\/strong\u003e A motorcycle helmet should fit securely and evenly around the head without painful pressure points. It should not shift excessively when the rider turns or shakes their head.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eThe interactive size finder uses head circumference in inches. For helmets, proper secure fit should take priority over a looser fit preference.\u003c\/em\u003e\u003c\/p\u003e","brand":"HJC","offers":[{"title":"S","offer_id":67619940499734,"sku":"2104-632","price":84.99,"currency_code":"USD","in_stock":true},{"title":"L","offer_id":67619940532502,"sku":"2104-634","price":84.99,"currency_code":"USD","in_stock":true},{"title":"5XL","offer_id":67619940565270,"sku":"2104-639","price":84.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0798\/4614\/6326\/files\/2104-634.png?v=1790710361","url":"https:\/\/shop.worldofpowersports.com\/products\/hjc-c91-solid-modular-helmet","provider":"World of Powersports ","version":"1.0","type":"link"}