If it is 20" or less pit to pit I'd be interested as long as you don't rape me on the price.
LG sounds much better than Champ Sys.
LG is better than champsys, my jacket is large, which is 42 pit to pit, it's even big on my, if you can believe that
And I would just give it to you, it's just hanging in my cycling closet. IDK, maybe I will wear it this winter, but I much prefer long sleeves and a vest, when it's below 30 I ride inside, too old for that bs.