Dad's size chart: Size(inch) S Length: 27.56 Bust: 43.31 Waist: 26.77 Pants Length: 41.34 M Length: 28.35 Bust: 45.28 Waist: 28.74 Pants Length: 42.13 L Length: 29.13 Bust: 47.24 Waist: 30.71 Pants Length: 42.91 XL Length: 29.92 Bust: 49.21 Waist: 32.68 Pants Length: 43.70 2XL Length: 30.71 Bust: 51.18 Waist: 34.65 Pants Length: 44.49 Mom's size chart: Size(inch) S Length: 25.20 Bust: 38.58 Waist: 25.20 Pants Length: 40.55 M Length: 25.59 Bust: 40.55 Waist: 26.77 Pants Length: 40.94 L Length: 25.98 Bust: 42.52 Waist: 28.35 Pants Length: 41.34 XL Length: 26.38 Bust: 44.49 Waist: 29.92 Pants Length: 41.73 2XL Length: 26.77 Bust: 46.46 Waist: 31.50 Pants Length: 42.13 Kids' size chart: Size(inch) 2Y Length: 14.57 Bust: 23.62 Waist: 16.54 Pants Length: 18.90 3Y Length: 15.35 Bust: 25.20 Waist: 17.32 Pants Length: 20.87 4Y Length: 16.14 Bust: 26.77 Waist: 18.11 Pants Length: 22.83 5Y Length: 16.93 Bust: 28.35 Waist: 18.90 Pants Length: 24.80 6Y Length: 17.72 Bust: 29.92 Waist: 19.69 Pants Length: 26.77 8Y Length: 19.29 Bust: 33.07 Waist: 21.26 Pants Length: 30.71 10Y Length: 20.08 Bust: 36.22 Waist: 22.83 Pants Length: 34.65 12Y Length: 20.87 Bust: 39.37 Waist: 24.41 Pants Length: 38.58 Baby's size chart: Size(inch) 3-6M Length: 20.87 Bust: 20.47 6-9M Length: 22.24 Bust: 21.26 9-12M Length: 23.62 Bust: 22.05 12-18M Length: 25.20 Bust: 22.83 18-24M Length: 26.77 Bust: 23.62 Specification: Material: Polyester Sleeve length: Long Pattern Type: Plaid Gender: Universal Item Type: Pajamas Sets Package Included: 1 x top + 1 x pants or 1 x jumpsuit