Size Chart XS S M L XL Size Measurement Standard Metric X-Small Chest 22 1/2" 57cm X-Small Waist 22 1/2" 57cm X-Small Dress Length 27" 69cm X-Small Child Size 4 4 Size Measurement Standard Metric Small Chest 25 1/2" 65cm Small Waist 23 1/2" 60cm Small Dress Length 29" 74cm Small Child Size 6 6 Size Measurement Standard Metric Medium Chest 28 1/2" 72cm Medium Waist 25 1/2" 65cm Medium Dress Length 33" 84cm Medium Child Size 8-10 8-10 Size Measurement Standard Metric Large Chest 31 1/2" 80cm Large Waist 26 1/2" 67cm Large Dress Length 34 1/2" 88cm Large Child Size 12-14 12-14 Size Measurement Standard Metric X-Large Chest 35 1/2" 90cm X-Large Waist 30 1/2" 77cm X-Large Dress Length 36" 91cm X-Large Child Size 16 16 Inches Centimeters Costume Sizing Tips