ACF (Advanced Composite Fiber) fiberglass outer shell with one shell size.
Dry-Comfort® fabric with sanitizing treatment.
Completely removable and washable liner.
Comes with transparent tinted peak.
Weighs 960g.
Double-D ring retention system.
DOT certified.
For proper fit and size measure the circumference of your head 1" above your eyebrows and around the largest portion of the back of your head.
X-Small.............. 21 1/4"- 21 5/8"
Small................ 22" - 22 3/8"
Medium............... 22 3/8" - 23 5/8"
Large................ 23 5/8" - 24"
X-Large.............. 24 3/8" - 24 3/4"