Thor - 2013 Quadrant Frequency Helmet
- Blended Acrylonitrile Butadiene Styrene and Polycarbonate shell provides maximum coverage without excess weight.
- Molded roost guard for added protection.
- Direct flow mouth guard with mesh filter.
- Oversized forehead venting.
- Dual-density expanded polystyrene liner.
- Plush removable/washable comfort liner.
- DOT and ECE 22.05.







