USAF Genuine N2B ALPHA IDEAL Zip 4-pen MIL-J-6278F M Alpha SPEC: MIL-J-6278F CONTRACT: AF/2323-37901 MADE IN U.S.A. RN35569 Based on the tag specifications and details, it is estimated to be an old Alpha from the late 1970s to early 1980s. This model is marked with the military specification MIL-J-6278F and features an IDEAL zipper. It's a jacket with a great atmosphere. The fabric, buttons, and various parts show no wear and tear, and I think this is a rare find in this condition. There are no moth-eaten areas or tears in the ribbing, and the fabric and fur are beautiful. *Although the tag includes the contract number, it cannot be definitively determined whether it is an official government-issued item. [Size] MEDIUM M size (Actual size) Length: Approximately 56cm Width: Approximately 57cm Sleeve length: Approximately 66cm *Please allow for some errors. [Condition] ・Zipper operates well ・Rib condition is good ・No major damage (Please understand that there may be minor scratches and signs of aging due to the vintage nature of the item) Considering its age, the condition is quite good.