Klim F4 Helmet

It is more than just unmatched ventilation that makes the F4 victorious across all off-road zones. Built on a premium zonal fiber select platform, the Klim F4 Helmet features aerospace fiberglass, carbon fiber and Kevlar layups to ensure premium safety standards are exceeded around the world. Comfort is enhanced by moisture-wicking comfort liner and cheek pad materials, comfort liner and cheek pad perforation, and the insane continuation of ventilation ducts and channels throughout the EPS. Klim’s premium standards are seen in the complete F4 package. Included with every F4 Helmet is a genuine Windstopper packable, snap-in liner to block direct wind contact while still retaining incredibly high breathability. Also, Klim includes a snap-in breath deflector with every F4—making it a true four-season, multi-sport helmet. Removable cheek pads and liners wash easily. To put it simply: the Klim F4 wins across the board. That’s what superior technology, premium features and Klim ingenuity deliver. Try an F4 today and experience a new reality of comfort and performance. Most advanced ventilation system in motorsports. EPS air channels continuously introduce fresh air to inner pressure chamber network and transport heated air and excess moisture to exit ports. Non-intrusive eye port increases field of vision. Air-induction exterior ridges increase structural integrity of the helmet. Included Windstopper liner is small and pocketable, snaps onto foam comfort liner to provide windproof warmth while still maintaining incredible breathability and moisture removal. Deluxe, soft-lined, ballistic nylon carrying bag with external zippered side pockets and end mesh stash pocket. Removable cheek pads. Air induction system supports air-craving intakes to deliver substantial air-flow and volume into ventilation system. Large, effective exit ports. Moisture-wicking comfort liner and cheek pads integrates with ventilation system and enhances cooling via airflow perforations. Premium construction and quality. Zonal fiber select construction with aerospace fiberglass, carbon fiber and Kevlar ensure a safer helmet. All-weather system and comfort features. Adjustable snap-in breath deflector included. Comfort liner and cheek pads easily removable and washable. Meets or exceeds Snell M2010 and DOT standards. For proper fit and size measure the circumference of your head 1" above your eyebrows and around the largest portion of the back of your head. 22 1/16" - 22 7/16" --------- Medium 22 13/16" - 23 4/16" --------- Large 23 10/16" - 24" ------------- X-Large 24 7/16" - 24 13/16" -------- XX-Large 25 3/16" - 25 10/16" -------- XXX-Large