The EVOLUTION 252 Helicopter/Fixed Wing Helmet is an innovative design that features a lightweight shell construction of kevlar and spectra. The use of these materials enables the EVOLUTION to be extremely light and incredibly resilient to penetration and impact. The EVO Helmet adapts to your needs with either hard wired or emergency EGRESS Communication Cable System & NVG Battery Mount. Easily switch your communication cable between different aircraft & no more need for velcro to attach NVG Batteries. The EVO 252 is a dual visor helmet and comes with your choice of Clear, Gray, Yellow or Green outer and inner visors. We also have "Mirror" visors as an option. Each Evolution Helmet comes with a 1 Year Warranty. The Communications of the EVO Helmet come with a 3-Year (Internal components) Warranty (Bose Excluded). Innovative Quick Release Cable and NVG Battery Pack Assembly. Helmet FX can custom paint and build your helmet at our facility. We are a "One stop shop"