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509 Altitude Helmet
- Features an innovative dual-density, interlocking EPS foam liner
that helps provide top crash protection in the event of
- Front chin area of the helmet is protected by a specially
designed, expanded-polyurethane chin insert that provides
front impact protection
- Outer shell is made of a specially designed thermoplastic poly
alloy material for maximum shell strength with minimal weight
- Innovative aerodynamic channels run across the entire contour
of the helmet
- Channels are integrated into the special thermoplastic poly alloy
shell and direct adequate air flow into the specially designed
- Features 6 integrated vent scoops that provide necessary
ventilation to keep you comfortable when riding
- Overall the helmet features 8 total intake/exhaust vent ports
- For those cold days, snap in the included cold weather breath box
- Unique aerodynamic visor features a locking top center mount
that holds the visor in place and prevents unwanted visor
- Available in 9 sizes which are carefully designed across 3 outer
shell molds, providing a precision fit, while minimizing overall
- The neck-brace-ready, contoured shell base provides a
comfortable, yet snug feel when putting the helmet on
- When the helmet is fully in place it provides an unmatched
comfort fit that prevents unwanted excessive helmet movement
- The eyeport of the helmet was carefully crafted to fit 509®
Sinister’s X5, and Aviator goggles perfectly
- Meets or exceeds DOT & ECE 2205 safety certification standards
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