Some costumes may run small. When trying to decide between two sizes, choose the larger size for a better fit.
  Dress Size  Bust (in inches) Waist (in inches) Hips (in inches) Weight Cup Size INSEAM SHOULDER TO SHOULDER FT NECK TO WAIST
X-Small 0-2 30"/32" 22"/23" 32"/34" 90-95 lbs A/B 31" 14" 14"
Small 2-6 32"/34" 24"/26" 34"/36" 100-130 lbs. A/B 32" 14.5" 14.5"
Medium  6-10 36"/38" 26"/28" 36"/38" 130-150 lbs. B/C 33" 15" 15"
Large 10-14 38"/40" 28"/32" 38"/40" 150-170 lbs.  C/D 34" 15.5" 15.5"
1X-Plus 16-18 40"/48" 36"/40" 42"/48" 165-225LB D/DD 36.5"    
2X-PLUS 18-20 48"/54" 40"/44" 50"/56" 225-275LB DD 37"