Size Chart: 2-3 Years/Tag Size 100: Chest: 22.0" / 56cm; Waist: 20.4" / 52cm;Length: 24.4" / 62cm; 3-4 Years/Tag Size 110: Chest: 23.6" / 60cm; Waist: 22.0" / 56cm; Length: 25.6" / 65cm; 4-5 Years/Tag Size 120: Chest: 24.4" / 62cm; Waist: 22.8" / 58cm; Length: 26.7" / 68cm; 5-6 Years/Tag Size 130: Chest: 25.1" / 64cm; Waist: 23.6" / 60cm; Length: 28.3" / 72cm; 6-7 Years/Tag Size 140: Chest: 25.9" / 66cm; Waist: 24.4" / 62cm; Length: 29.5" / 75cm; 7-8 Years/Tag Size 150: Chest: 27.5" / 70cm; Waist: 25.9" / 66cm; Length: 31.5" / 80cm; 8-9 Years/Tag Size 160: Chest: 28.7" / 73cm; Waist: 27.1" / 69cm; Length: 33.0" / 84cm;