Mesh helmet cover for Bump & Tactical Helmets - Mesh design material still allows breathability when mounted on ventilated bump helmets - Integral semi-rigid rubber armored hybrid counterweight pouch expands to accommodate virtually all NVG battery packs while providing impact and bump protection for your expensive mission critical equipment - Elastic loops for battery stowage or cable management and strategic openings for cable routing - Loop pile surfaces for unit patches and hook & loop backed accessories - Built-in bungee central retention system for IR Device or other helmet-borne gear - Optimized for Maritime style helmets but flexible enough to fit a variety of other helmets (FAST bump helmets, MTEK Flux, MICH / ACH, Team Wendy, and more!)