• Product Description: Hyatt is a special 3 layer fabric that insulates, is waterproof, gives protection against wind, protection from the cold, moisture infiltration, evaporation, and promotes ventilation. Proprietary three-layer configuration incorporates two different micro porous layers. Specially treated base fabric for durable water repellency. Layer 1: foam layer with minuscule micropores, improves waterproof ness, and durability. Layer 2: regularly configure micropores increase moisture permeability. Layer 3: smaller pores in the resin surface enhance waterproof ness, strengthen coating surface and inhibit dew condensation. Generation II parkas differs from generation I in that the generation ii hood is attached differently and concealed in the collar. ECWCS - Extended/Extreme Cold Weather Clothing System. Concealed cobra hood. Double pull zipper. Snap down storm flap. 4 Pockets. Ventilated sleeves. Hook & loop cuffs. Taped seams. Hyvat GEN 2 parka. Gen II. Black - Generation II Military ECWCS Hyvat Parka.