Size Chart

INFANT SIZE AGE HEIGHT WEIGHT    
  newborn newborn up to 19" up to 9lbs    
  3mo 0/3mo up to 23" up to 13lbs    
  6mo 3/6mo 23"-26" 13-16lbs    
  9mo 6/9mo 26"-27" 16-19lbs    
  12mo 12mo 27"-29" 19-22lbs    
  18mo 18mo 29"-31" 22-25lbs    
  24mo 24mo 31"-33" 25-29lbs    
TODDLER SIZE HEIGHT WEIGHT CHEST WAIST HIPS
  2T 33"-36" 26-30lbs 21" 20" 21"
  3T 36"-38" 30-34lbs 22" 21" 22"
  4T 38"-40" 34-38lbs 23" 22" 23"
KIDS' SIZE HEIGHT WEIGHT CHEST WAIST HIPS
  4 40"42" 36-40lbs 23" 21" 23"
  5 42"-45" 40-44lbs 24" 21.5" 24"
  6 45"-47" 44-48lbs 25" 22" 25"
  6X 47"-49" 47-53lbs 26" 22.5" 26.5"