1st is the RDF style pockets
2nd is the RDF style rear shoulder section.
The Tag Contract # 212-226-4163 Columbia Merchandise. INC. No MADE IN USA etc... wrote on it.
Very baggy like Vietnam Jungle pants.
Single button rear pockets like RDF/Jungle pants
Talon Zipper like RDF/Jungle pants
Label Contract# 212-226-4163 Colco Manufacturing CO.
Whats grabbing me is the Contract Numbers, Both are the same but makers are different.
I have no idea about it, could be Police, SWAT but it is very early set ???