Uniform Experiment Reversible Jacket Made in 12aw Likely an early model of the reversible type. The main model was wearing it in the promotion video at the time. Reference: https://m.youtube.com/watch?v=YLrao77aDco&list=PLvOtuJQ7VKAX0sBHuqhf-KzNkv4YEYi7e&index=49&pp=iAQB SIZE: 1 (Equivalent to M in actual size) Jacket/MA-1 Length (both sides): 69cm Shoulder width: 40.5/41.5cm Width: 50/53cm Sleeve length: 64.5/63.5cm Frequency of use: Used a few times after purchasing from an auction site. If you have any other questions, I will respond. Please feel free to ask. * Please note that due to my circumstances, the shipment may be delayed or advanced from the scheduled date.