Flite Wear Cloth Test Pilot Jacket *Size Small*

I know nothing of these types of cloth flight jackets but to admire them. This one with a nice Conmar zip caught my eye, and kind of reminds me of one that Buzz Rickson or another Japanese maker offered before:

https://www.ebay.com/itm/Vintage-Gr...ht-Jacket-Flite-Wear-Land-Mfg-Co/113367044199