Fly / HMK F2 Carbon Pro Helmet

Adult Size Medium

Please see our photo of the sizing chart

Produced in partnership with Fly Racing and HMK Limited Quantities Available!

F2 Carbon Pro Features

Includes Cold Weather Plug Kit - Plugs vent holes inside the helmet for cold weather riding

Flow through EPS and Comfort Liner System - EPS (Expanded Polystyrene) and comfort liner align to maximize airflow

Multi-Port Air Induction Cooling System - Eleven (11) intake & four (4) exhaust vents create massive airflow to keep your head cool

SNELL M2010, DOT Approved for USA - Other standards include: ECE and AS (Australian). Meets or exceeds the toughest safety standards on the market

Tri-Vent Goggle Anti-Fog Vents - Three (3) air intake vents above goggle eye port draw air from goggle to help clear away fog

Custom Molded Rubber Trim w/ Nose Guard - With its smooth lines, the integrated nose guard helps keep pesky rocks and cold away from your nose

Composite Construction Shell - Outer shell is constructed using state-of-the-art, aircraft grade woven carbon fiber and Kevlar® composite materials which creates superior strength while remaining extremely light

Includes Custom Made Breath Box - Breath box is custom molded to fit the HMK/Fly F2 helmets. Helps block the elements and provides added protection from flying debris

Dual Density EPS Liner - Two layers of EPS (Expanded Polystyrene), one softer, one slightly harder, combine to provide more progressive impact absorption for different levels of impact

Quick Release Washable Comfort Liner & Cheek Pads - Plush liner absorbs sweat, provides plenty of ventilation and is easy to clean

Lightweight Aluminum Hardware - Helmet is constructed using super strong, lightweight, machined, aluminum screws, rivets, and D-rings for superior strength and years of worry free use


Stay warm and dry this winter on the track or trail!

Thundersports is Northern Wisconsin's

Largest Castle X, Klim, and HMK clothing dealer!

FREE Shipping To All 50 States

All colors and sizes are available in our eBay store.



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Thundersports Performance Inc.

(715) 392-4030  Mon-Fri 10-6 Sat 9-3

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