I definitely wouldn't classify the TRS as stiff, but it should be pretty doggone stiff if you only weigh 110 pounds. Go ride it and see what you think. There's only so much you can tell about flex until you get some bindings on it and get on the snow.
"People say that marijuana smoking is going to get in the way of my career. I say to them that on the contrary, my fighting career is getting in the way of my marijuana smoking." -Nick Diaz