Rohan clothing used to be very good when the Howcrofts still owned the company. Now it has become a sort of fashion company like all the others.
They still have some good stuff but you have to sort through a lot of dross to find the worth-while items ie Bags
You didn't say where you are going or what you hope to be doing.
I would add that if you are just travelling then go for the non-military looking option. Uniforms or anything that looks "uniform" type clothing can make people dangerously nervous