FOX Speedframe Helmet Size:- Medium High Flow: 3 X airflow

High Flow: 3 X airflow makes seating and inflating tires a snap

Speed Release Spool internal shift assist spring

Extended waistband for comfort

HG-X11 special asymmetric plate design for 11-speed

9mm open dropout design

FOX Speedframe Helmet Size:- Medium High Flow: 3 X airflowThe Speedframe Solid Helmet features the iconic styling of Fox, plus Mips to keep you protected on the trail, optimized venting to keep you cool, and the 360 Fit System for a perfectly dialed fit. Add in the legendary aggressive Fox design DNA, and you have one of the most shred ready MTB helmets on the trail today. Virginia Tech 5 Star helmet rated Mips equipped 360 Fit System One hand adjustable visor Sunglass specific storage solution