The Ops-Core Fast XP High Cut Ballistic Helmet System provides pistol round protection for higher velocity 9mm rounds. with a slightly thicker shell than the SF, the XP offers a gain in protection: 205 ft/s increase in muzzle velocity for a 124g 9mm round in exchange for an increase of 0.28 lbs. in shell weight. FeaturesLightweight Modular Bungee Shroud (MBS) reduces snag hazards and features carabiner clips to improve NVG retention and stability while reducing interference with other rail-mounted accessoriesPowerPath ARC Rail system provides a lightweight mounting solution for OpsCore headborne ecosystemsVented Lux Liner with Occ-Dial Universal Fitband offers comfort and ventilationHead-Loc retention chinstrap maintains security and stabilityExternal hook & loop kit allows for quick and easy attachment and detachment of headborne accessoriesProprietary recessed groove accommodates over-the-head communication accessories with no interference and allows for helmet donning and doffin...