{"product_id":"all-mountain-half-shell-a2-helmet-mips-ventilated-trail-protection","title":"All Mountain Half Shell A2 Helmet MIPS - Ventilated Trail Protection","description":"\u003cp\u003eOur review of the Troy Lee Designs A2 MIPS finds it aimed at trail riders who want a balance of ventilation, modern impact protection, and comfortable fit without the bulk of a full-face helmet. The single biggest reason to buy is its exceptional cooling: huge intake ports that are 25% larger than the prior A1, connected to large exhaust ports through deep internal channels, deliver noticeably better airflow on long climbs and hot descents. Combined with a dual-density EPS co-molded with EPP liner and the MIPS system, the A2 puts protection and comfort at the center of its design.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHuge ventilation:\u003c\/strong\u003e 25% larger intake ports and massive exhausts move air efficiently to keep riders cooler on sustained efforts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMIPS brain protection:\u003c\/strong\u003e The integrated MIPS system reduces rotational forces to the brain in some crash scenarios for added safety.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-density liner:\u003c\/strong\u003e EPS co-molded with EPP provides layered impact energy management across low and high-speed impacts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrontal protection:\u003c\/strong\u003e 16% more EPS+EPP in the frontal lobe and raised EPS splines give extra coverage where impacts commonly occur.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComfort liner:\u003c\/strong\u003e X-Static Pure silver comfort liner offers odor control and quick-dry moisture wicking for multi-hour rides.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable fit:\u003c\/strong\u003e A swept shell with adjustable strap and breakaway visor screws balance coverage, comfort, and trail practicality.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe A2 MIPS is best for mountain bikers who ride aggressive singletrack, enduro-style descents, and long trail days where both cooling and impact management matter. Riders who prioritize a ventilated half-shell that still offers enhanced frontal protection and modern rotational impact mitigation will appreciate this helmet.\u003c\/p\u003e\n\u003cp\u003eLess suitable are riders who require a full-face helmet for downhill race conditions or those who want a minimalist commuter helmet with very low coverage. Also, riders seeking removable, washable liners with heavy detachable padding should verify fit against the included X-Static comfort liner.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eExceptional ventilation from enlarged intake and exhaust ports that improve cooling on long climbs.\u003c\/li\u003e\n\u003cli\u003eMIPS system provides added rotational protection in certain crash scenarios, increasing rider safety.\u003c\/li\u003e\n\u003cli\u003eDual-density EPS and EPP liner handles a broad range of impact energies while adding frontal lobe protection.\u003c\/li\u003e\n\u003cli\u003eX-Static Pure silver liner keeps odor down and wicks moisture for longer ride comfort.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAs a half shell, it does not provide the full-face coverage some downhill racers prefer.\u003c\/li\u003e\n\u003cli\u003eThe liner is comfortable but may not be as removable or thick as some riders expect for cold-weather layering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eA2 MIPS Half Shell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eTroy Lee Designs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection system\u003c\/td\u003e\n\u003ctd\u003eMIPS rotational protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLiner\u003c\/td\u003e\n\u003ctd\u003eDual-density EPS co-molded with EPP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVentilation\u003c\/td\u003e\n\u003ctd\u003eHuge intake ports 25% larger than A1 with large exhaust ports\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComfort liner\u003c\/td\u003e\n\u003ctd\u003eX-Static Pure silver odor control, quick-dry\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdditional features\u003c\/td\u003e\n\u003ctd\u003eRaised EPS splines, 16% more frontal EPS+EPP, breakaway visor screws\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe A2 MIPS is a strong choice for trail and enduro riders who want top-tier ventilation paired with contemporary impact protection. Its combination of enlarged air channels, dual-density liner and MIPS makes it good value for riders who need comfort on long rides and sensible coverage without the weight of full-face models.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this helmet include MIPS?\u003c\/strong\u003e\u003cbr\u003eYes, the A2 comes with the integrated MIPS brain protection system to help reduce rotational forces in certain impacts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the liner odor resistant?\u003c\/strong\u003e\u003cbr\u003eThe X-Static Pure silver comfort liner delivers high performance odor protection and quick-dry moisture wicking for extended ride comfort.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the ventilation compare to prior models?\u003c\/strong\u003e\u003cbr\u003eVentilation is improved: intake ports are 25% larger than the A1 and connected to large exhaust ports through deep internal channels for more efficient cooling.\u003c\/p\u003e","brand":"Troy Lee Designs","offers":[{"title":"Default Title","offer_id":48607073566939,"sku":"B01MU0C8NY","price":65.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61re7j1o2AL.__AC_SX300_SY300_QL70_FMwebp.webp?v=1778366208","url":"https:\/\/gearmusthave.com\/products\/all-mountain-half-shell-a2-helmet-mips-ventilated-trail-protection","provider":"GearMustHave","version":"1.0","type":"link"}