Look at the material, one is cotton, and the other is a kind of fabric similar to canvas (many comrades say it's fake but it's also wool)
Winter training is rare, and summer training is true and false. Generally, it is 140 in summer and 180 in winter.
It should be noted that there are a few training versions of WJ07. There are already three summer training versions and two winter training versions.
Summer collar and epaulettes 1 1 small suit collar and epaulettes.
Winter works are all epaulettes, but under 1 1, a small suit collar seems to be different from the new camouflage green one, and the color is similar to that of wj coat in cold areas. This is what I know (WJ retired at the end of 1 1).