H2O Proof Gen 2 ECWCS Military ParkaMILITARY GRADE PROTECTION Part of the U. S. Military's Extended Cold Weather Clothing System providing waterproof, windproof, Military Spec protection. When freezing rain, driving snow, and bitter wind are part of the job, the H2O Proof Gen II ECWCS Parka keeps you dry, warm, and operational. This isn't fashion outerwear it's a 3 layer waterproof shell engineered to military specifications and trusted by Soldiers, Law Enforcement, and First Responders