U.S. Military Primaloft Gen III Level 7 Jacket, Primaloft ECWCS Parka, Military Jacket for sale. This is a Primaloft parka, LEVEL 7, developed for the U.S. ARMY's extreme cold weather system (ECWCS). It is the final layer of insulation, and uses PRIMALOFT (Primaloft) for the filling. Level 7 is the final layer of insulation, and uses a high-tech material made of polyester, which is said to be about 8 times warmer than down, developed by U.S. ALBANY for the U.S. Army as a filling for sleeping bags. The shell uses EPIC (Nextec), a functional material with waterproof and breathable properties. Unlike hard shells, it is a soft material that does not restrict movement. ■Material Shell: PLAIN WEAVE NYLON (lightweight, breathable, water-repellent fabric) Filling: PrimaLoft (Primaloft) ■Size/Length/Width/Sleeve Length/Sleeve Length from Underarm M-R/79 cm/71 cm/94 cm/60 cm There are some slight stains on the back. Please note that they are not noticeable when worn. Also, the Velcro on the sleeves is weakening due to aging, but it will stick if attached firmly. Cleaned.