Klim F5 ECE Helmet COLOR:Shred Black / Asphalt midweight mid layer designed to

midweight mid layer designed to work either as a stand-alone jacket or under an outer shell

We engineered the F3 Carbon Off-Road Helmet specifically to reduce fatigue and improve comfort over long rides

FITS PERFECTLY IN KLIM HELMETS EXTRAS

the Viper is compatible with a wide range of open-face helmets

Klim F5 ECE Helmet COLOR:Shred Black / Asphalt midweight mid layer designed toWhen Klim set out to build this new F5 helmet they had three goals in mind. Make it vent well at both high speeds and in slow riding, make it fit well, and KEEP IT LIGHT. They nailed these three goals. To accomplish the ventilation goals the F5 has huge vents on top which let radiant heat escape. This is immediately noticeable when you're feeling cooked from working hard on tight singletrack. This helmet feels feather light in your hands. Less weight