This is a PrimaLoft jacket, said to be 7 times warmer than down. PrimaLoft is not only warm but also water-repellent and quick-drying, maintaining 96% heat insulation even when wet, thus keeping you warm. Because it's okay to get wet, it's also easy to wash at home, making it easy to maintain. The size is M-R, which fits the average Japanese physique. It also comes with a drawcord, allowing you to adjust the length. Genuine US Military Issue Made in 2007 W911QY-07-D-0003 LEVEL7 PrimaLoft ATLANTIC DIVING SUPPLY, INC Size: medium-regular It's an oversized or slightly loose fit, making it a golden size that suits anyone. Length: Approximately 74 cm Width (Pit to Pit): Approximately 65 cm Sleeve Length (from center back): Approximately 75 cm There may be slight variations due to amateur measurements. NSN8415-01-538-6289 There are stains in various places, and a tear above the inner left pocket. Please refer to the images. Level 7 ECWCS Extended Cold Weather Clothing System Genuine US Military Issue US Military Authentic Insulation US Army PrimaLoft Vintage Vintage Used Clothing Masaki Suda (Japanese Actor) Vintage Used Clothing Military Mods Coat Monster Parka Happy Suit ECWACS ECWAC wildthings wild things gen3 ADS primaloft L7 S-R S REG