Featuring a custom low, snug fit, the Evolution helmet is one of the slimmest hardshell designs available. It features a tough skate-style hardshell construction, which securely protects all the useful bits of your noggin. The design curves anatomically around the head for a great fit & tailored wearing comfort. Size guide: Small/ Medium
- 54-56cm head circumference Large/X Large
- 57-59cm head circumference XX Large
- 59-61cm head circumference