Size Chart Runs Small Slightly Small True To Size Slightly Large Runs Large XS S M L XL Size Measurement Standard Metric X-Small Chest 26" 66cm X-Small Sleeve Length 16 1/2" 42cm X-Small Torso 20 1/2" 52cm X-Small Hips 29" 74cm X-Small Inseam 12" 30cm X-Small Foot Cover Length (heel to toe) 9 1/2" 24cm X-Small Child Size 4 4 Size Measurement Standard Metric Small Chest 28" 71cm Small Sleeve Length 17 1/2" 44cm Small Torso 22 1/2" 57cm Small Hips 31" 79cm Small Inseam 15 1/2" 39cm Small Foot Cover Length (heel to toe) 9 1/2" 24cm Small Child Size 6 6 Size Measurement Standard Metric Medium Chest 32" 81cm Medium Sleeve Length 20 1/2" 52cm Medium Torso 25 1/2" 65cm Medium Hips 35" 89cm Medium Inseam 21" 53cm Medium Foot Cover Length (heel to toe) 10 1/2" 27cm Medium Child Size 8-10 8-10 Size Measurement Standard Metric Large Chest 35" 89cm Large Sleeve Length 23 1/2" 60cm Large Torso 29 1/2" 75cm Large Hips 38" 97cm Large Inseam 24 1/2" 62cm Large Foot Cover Length (heel to toe) 10 1/2" 27cm Large Child Size 12-14 12-14 Size Measurement Standard Metric X-Large Chest 37" 94cm X-Large Sleeve Length 24 1/2" 62cm X-Large Torso 31 1/2" 80cm X-Large Hips 40" 102cm X-Large Inseam 25 1/2" 65cm X-Large Foot Cover Length (heel to toe) 10 1/2" 27cm X-Large Child Size 16 16 Inches Centimeters Costume Sizing Tips