Swim Size Chart          
  Size Height Weight Chest Waist Bottom
  4 39-41.5" 33-36 lbs. 23-24" 21.5-22" 23-24"
  5 42.5-44.5" 37-42 lbs. 24-25" 22-22.5" 24-25"
  6 45-46.5" 43-48 lbs. 25-26" 22.5-23" 25-26"
  6x 47-48.5" 49-54 lbs. 26-27" 25-26" 26-27"
Size chart is a general guide. It may include sizes that are unavailable for this item.