509 ALTITUDE 2.0 HELMET (MD)

Key features

Fiberglass composite construction for a stronger, lighter and better-fitting hand washer
U.S. DOT/ECE certified
One-piece eye port trim
XS to 4X sizes available in three shells for optimum fit and minimum weight
Top vents with on/off shutter closure for airflow control
Go-Pro mounting capability, improved design
Fidlock

Strap closure for easy in-and-out movement

Perfect fit between helmet eye port and 509 goggles
Pro-series breathing box for complete protection, fun for high airflow