CBRN Protection Military Special Forces, Police Squads, and Rescue Teams. (NOTE) 95% of the population wares a size medium. · Outstanding resistance against all kinds of CBRN agents, industrial toxic gases, riot control gases, etc. · High user comfort for superior all-day protection. · Easy donning and doffing. · Low breathing resistance. · Fits up to 2 NATO-standard 40 mm gas mask filters (widely available with a variety of protection levels). · Compatible with optical devices night-vision goggles, etc. · Allows for safe and easy drinking during use in a contaminated area. · Comes with a pre-installed hydration system and canteen. · Compatible with CamelBak water bladders with a Type M adapter (not included). · Sweat drainage through the exhalation chamber. · Compatible with helmets and breathing apparatuses. · High-quality speech diaphragm enables easy communication with or without communication devices.