I'm fairly new to road biking, I was a runner but a bum knee stopped that fun so I am now road biking.

I am 5'3 161 Lbs, curvy (read big butt and hips) and wear about a size 10/12 in regular clothes. After a lot of trying on, I have found the following stuff worked for me:

Louis Garneau - XL
Sugoi - Large
Performance Bike store brand - Large
Primal Wear - XL, but I can wear Large if I want it to be tighter
Descante - Large