Persist MIPS Bike Helmet Alpine Adaptable on all seat post

Adaptable on all seat post

The balm is water and sweat resistant – keeps pores clean by letting sweat escape and skin breathe

and ISIS Overdrive systems

and reliability at an awesome value

Persist MIPS Bike Helmet Alpine Adaptable on all seat postFast paced lunch ride or weekend 60 miler, the Smith Persist road helmet is down for whatever you've got in mind. Designed to feel like it's tailor made for your head, you can fine tune the fit on the fly with an easy to use dial adjuster. When you're sweating it out on the climb, 21 fixed vents and Smiths' AirEvac ventilation system keep the air flowing, your head cool and your glasses from fogging. Energy absorbing zonal Koroyd complements MIPS