{"product_id":"6d-helmets-alterra-mtb-helmet-segment-slate-blue","title":"6D Helmets Alterra MTB Helmet - Segment - Slate Blue","description":"\u003ch3 class=\"\" data-end=\"135\" data-start=\"104\"\u003e\u003cstrong data-end=\"133\" data-start=\"108\"\u003e6D Alterra MTB Helmet\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"\" data-end=\"181\" data-start=\"136\"\u003e\u003cstrong data-end=\"181\" data-start=\"136\"\u003eAdvanced Protection Meets All-Day Comfort\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"596\" data-start=\"183\"\u003eThe 6D Alterra redefines what a full-face enduro helmet can be—delivering industry-leading impact protection, a featherlight design, and premium ventilation without sacrificing coverage. Engineered with 6D's exclusive Omni-Directional Suspension™ (ODS) technology, the Alterra is built to keep you safe whether you're charging steep descents, tackling technical terrain, or spinning out long e-bike miles.\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"946\" data-start=\"598\"\u003eAt just 710 grams (M\/L), it's one of the lightest full-face MTB helmets certified for DH, BMX, and e-bike standards, offering elite-level safety with day-long comfort. With goggle and glasses compatibility, intuitive airflow design, and a secure Fidlock closure, the Alterra is everything aggressive enduro riders have been waiting for.\u003c\/p\u003e\n\u003cp data-end=\"973\" data-start=\"953\"\u003e\u003cstrong data-end=\"973\" data-start=\"957\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"2164\" data-start=\"975\"\u003e\n\u003cli class=\"\" data-end=\"1133\" data-start=\"975\"\u003e\n\u003cp class=\"\" data-end=\"1017\" data-start=\"977\"\u003e\u003cstrong data-end=\"1015\" data-start=\"977\"\u003eOmni-Directional Suspension™ (ODS)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"1133\" data-start=\"1020\"\u003e\n\u003cli class=\"\" data-end=\"1133\" data-start=\"1020\"\u003e\n\u003cp class=\"\" data-end=\"1133\" data-start=\"1022\"\u003ePatented 6D technology minimizes angular and linear impact forces with a unique dual-liner suspension system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"1300\" data-start=\"1135\"\u003e\n\u003cp class=\"\" data-end=\"1166\" data-start=\"1137\"\u003e\u003cstrong data-end=\"1164\" data-start=\"1137\"\u003eDual-Liner Construction\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"1300\" data-start=\"1169\"\u003e\n\u003cli class=\"\" data-end=\"1300\" data-start=\"1169\"\u003e\n\u003cp class=\"\" data-end=\"1300\" data-start=\"1171\"\u003eMulti-Impact EPP inner liner + EPS outer liner for layered energy absorption across a broad range of crash intensities.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"1468\" data-start=\"1302\"\u003e\n\u003cp class=\"\" data-end=\"1340\" data-start=\"1304\"\u003e\u003cstrong data-end=\"1338\" data-start=\"1304\"\u003eCarbon-Reinforced Shell System\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"1468\" data-start=\"1343\"\u003e\n\u003cli class=\"\" data-end=\"1468\" data-start=\"1343\"\u003e\n\u003cp class=\"\" data-end=\"1468\" data-start=\"1345\"\u003eIn-molded carbon fiber internal roll cage + polycarbonate outer shell = uncompromising strength without added bulk.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"1588\" data-start=\"1470\"\u003e\n\u003cp class=\"\" data-end=\"1498\" data-start=\"1472\"\u003e\u003cstrong data-end=\"1496\" data-start=\"1472\"\u003eCarbon Fiber Chinbar\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"1588\" data-start=\"1501\"\u003e\n\u003cli class=\"\" data-end=\"1588\" data-start=\"1501\"\u003e\n\u003cp class=\"\" data-end=\"1588\" data-start=\"1503\"\u003eReinforced for increased durability and lightweight protection in high-speed impacts.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"1747\" data-start=\"1590\"\u003e\n\u003cp class=\"\" data-end=\"1609\" data-start=\"1592\"\u003e\u003cstrong data-end=\"1607\" data-start=\"1592\"\u003eVentilation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"1747\" data-start=\"1612\"\u003e\n\u003cli class=\"\" data-end=\"1747\" data-start=\"1612\"\u003e\n\u003cp class=\"\" data-end=\"1747\" data-start=\"1614\"\u003eOver-brow intake channels, large rear exhaust ports, and internal sub-channeling keep air flowing efficiently to reduce heat buildup.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"1963\" data-start=\"1749\"\u003e\n\u003cp class=\"\" data-end=\"1778\" data-start=\"1751\"\u003e\u003cstrong data-end=\"1776\" data-start=\"1751\"\u003ePremium Fit \u0026amp; Comfort\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"1963\" data-start=\"1781\"\u003e\n\u003cli class=\"\" data-end=\"1824\" data-start=\"1781\"\u003e\n\u003cp class=\"\" data-end=\"1824\" data-start=\"1783\"\u003eIonic+™ antibacterial comfort liner\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"1903\" data-start=\"1827\"\u003e\n\u003cp class=\"\" data-end=\"1903\" data-start=\"1829\"\u003eIncludes multiple pad sets and comfort liners for a customizable fit\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"1963\" data-start=\"1906\"\u003e\n\u003cp class=\"\" data-end=\"1963\" data-start=\"1908\"\u003eFidlock magnetic closure for one-handed operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"2137\" data-start=\"1965\"\u003e\n\u003cp class=\"\" data-end=\"1993\" data-start=\"1967\"\u003e\u003cstrong data-end=\"1991\" data-start=\"1967\"\u003eTrail-Ready Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"2137\" data-start=\"1996\"\u003e\n\u003cli class=\"\" data-end=\"2046\" data-start=\"1996\"\u003e\n\u003cp class=\"\" data-end=\"2046\" data-start=\"1998\"\u003eGoggle-compatible with under-visor storage\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"2080\" data-start=\"2049\"\u003e\n\u003cp class=\"\" data-end=\"2080\" data-start=\"2051\"\u003eGlasses-friendly design\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"2137\" data-start=\"2083\"\u003e\n\u003cp class=\"\" data-end=\"2137\" data-start=\"2085\"\u003e3-position adjustable visor with snap-away feature\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"2164\" data-start=\"2139\"\u003e\n\u003cp class=\"\" data-end=\"2164\" data-start=\"2141\"\u003e\u003cstrong data-end=\"2164\" data-start=\"2141\"\u003eTravel Bag Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"2193\" data-start=\"2171\"\u003e\u003cstrong data-end=\"2193\" data-start=\"2175\"\u003eCertifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"2237\" data-start=\"2194\"\u003eMeets or exceeds the following standards:\u003c\/p\u003e\n\u003cul data-end=\"2369\" data-start=\"2238\"\u003e\n\u003cli class=\"\" data-end=\"2250\" data-start=\"2238\"\u003e\n\u003cp class=\"\" data-end=\"2250\" data-start=\"2240\"\u003e\u003cstrong data-end=\"2248\" data-start=\"2240\"\u003eCPSC\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"2265\" data-start=\"2251\"\u003e\n\u003cp class=\"\" data-end=\"2265\" data-start=\"2253\"\u003e\u003cstrong data-end=\"2263\" data-start=\"2253\"\u003eEN1078\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"2285\" data-start=\"2266\"\u003e\n\u003cp class=\"\" data-end=\"2285\" data-start=\"2268\"\u003e\u003cstrong data-end=\"2283\" data-start=\"2268\"\u003eAU\/NZS 2063\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"2314\" data-start=\"2286\"\u003e\n\u003cp class=\"\" data-end=\"2314\" data-start=\"2288\"\u003e\u003cstrong data-end=\"2312\" data-start=\"2288\"\u003e8776 E-Bike Standard\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"2344\" data-start=\"2315\"\u003e\n\u003cp class=\"\" data-end=\"2344\" data-start=\"2317\"\u003e\u003cstrong data-end=\"2342\" data-start=\"2317\"\u003eASTM F1952 (Downhill)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"2369\" data-start=\"2345\"\u003e\n\u003cp class=\"\" data-end=\"2369\" data-start=\"2347\"\u003e\u003cstrong data-end=\"2367\" data-start=\"2347\"\u003eASTM F2032 (BMX)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"2390\" data-start=\"2376\"\u003e\u003cstrong data-end=\"2390\" data-start=\"2380\"\u003eWeight\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"2408\" data-start=\"2391\"\u003e\n\u003cli class=\"\" data-end=\"2408\" data-start=\"2391\"\u003e\n\u003cp class=\"\" data-end=\"2408\" data-start=\"2393\"\u003e710g (Size M\/L)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"\" data-end=\"2667\" data-start=\"2415\"\u003eThe 6D Alterra is more than just a helmet—it's a performance-driven safety system for riders who demand the best. Whether you're racing enduro stages or conquering alpine descents, trust the Alterra to keep your ride dialed and your head protected.\u003c\/p\u003e\n\u003cdiv style=\"position: relative; height: 0; padding-top: 56%; overflow: hidden; max-width: 100%;\"\u003e\u003ciframe style=\"position: absolute; top: 0; left: 0; width: 100%; height: 100%;\" src=\"https:\/\/www.youtube.com\/embed\/U_g0i8HgmUM\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e","brand":"6D Helmets","offers":[{"title":"Slate Blue \/ X-Small\/Small","offer_id":49510146048240,"sku":"GM032425-07","price":395.0,"currency_code":"USD","in_stock":true},{"title":"Slate Blue \/ Medium\/Large","offer_id":49510146081008,"sku":"GM032425-08","price":395.0,"currency_code":"USD","in_stock":false},{"title":"Slate Blue \/ X-Large\/2X-Large","offer_id":49510146113776,"sku":"GM032425-09","price":395.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/3592\/3952\/files\/6DHelmetsAlterraMTBHelmet-Segment-SlateBlue-Photoroom.png?v=1775652454","url":"https:\/\/coloradocyclist.com\/products\/6d-helmets-alterra-mtb-helmet-segment-slate-blue","provider":"Colorado Cyclist","version":"1.0","type":"link"}