More after the break...
More screencaps from Serenity:
I'm not sure, but she could be wearing the same pants as her Gold and Black costume that she wears on Miranda.
Here's a poster with her in her battle gear...though she's carrying a gun...
And this costume was over at the Propstore for awhile:
During shooting, Morena used a bow and arrow that was later taken out and replaced with a more fancy weapon. Below are the props she used while shooting:
My Photobucket Album for Inara.
Serenifly Costumes site for Inara.