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