Custom made youth western show outfit made by Jacque Apparel.  My daughter worn it ages 10-12 and is on the slim side.  Outfit includes show jacket with lots of bling on the front, back, and full arms in emerald green and gold.  A pair of pants, belt, and leather chaps.  
Measurements:
Jacket
bust 30"
waist 26"
shoulder to shoulder 13"
sleeve length 27"
hips 32"

orginal pants (they have been let out a few months ago)
hips 32"
thigh 18"
knee 13"
calf 12"
inseam 32"

chaps
waist 31"
top of thigh 20"
outseam 37"