An evolution of an award-winning design, the Smith Forefront 2 MIPS bike helmet is a full-coverage helmet made for all-mountain riders who demand excellent protection, venting and eyewear integration. MIPS protection system uses a low-friction layer between the outer shell and the head to limit the rotational forces to the brain in the event of an angled impact Lightweight Aerocore in-mold construction with ventilated protection featured patented Koroyd® material and integrated skeletal structure For added protection, Koroyd has been extended into the back of the helmet to now fully encompass the helmet Internal air channels are combined with 20 optimized vents; open intake and exhaust ports maximize ventilation AirEvac channels promote airflow to prevent fogging of your eyewear 3-position visor rotates high to allow goggles or sunglass storage X-STATIC® lining with reactive cooling helps prevent your head from overheating; ultralight single-layer webbing VaporFit adjustable fit system