The Helix hardcore base model – a hardshell mask. The Helix comes with a single pane lens. All models come with a "Browser" (combined Visor and Brow Shield). The Helix Single model takes player comfort and upgradability to new levels the Dual Density foam giving players the best comfort and the interchangeable lens. Get started fast with a Helix. Features: Clear lens (available in dual-pane thermal or thermal-cured anti-fog single pane lens) Browser (visor / browshield combined) Grey and black Empire logo strap Easy lens changeability Firm plastic mask for protection