Looks great
I would change the colors a bit, if you don't mind.
The pants - slightly darker shade of brown
The top - more green and a bit darker
The RpR arm badge - white or light grey on maroon background
OR
The pants - you can try the color of the British Burma
uniform of leave the dark brown like the previous
The top - maroon, kind of dark
The RpR arm badge - white or light grey on black background
On the chest, instead of =RpR=, put this:
OR this:
and this on the other arm:
Maroon