Size Chart S M L XL Size Measurement Standard Metric Small Chest 26" 66cm Small Sleeve Length 17" 43cm Small Torso 22" 56cm Small Jumpsuit Length 41" 104cm Small Child Size 6 6 Size Measurement Standard Metric Medium Chest 30" 76cm Medium Sleeve Length 18 3/4" 48cm Medium Torso 25" 64cm Medium Jumpsuit Length 46" 117cm Medium Child Size 8-10 8-10 Size Measurement Standard Metric Large Chest 33" 84cm Large Sleeve Length 21 1/4" 54cm Large Torso 29" 74cm Large Jumpsuit Length 52" 132cm Large Child Size 12-14 12-14 Size Measurement Standard Metric X-Large Chest 37" 94cm X-Large Sleeve Length 22 3/8" 57cm X-Large Torso 31" 79cm X-Large Jumpsuit Length 55" 140cm X-Large Child Size 16 16 Inches Centimeters Costume Sizing Tips