Boy's Organic Cotton T-Shirt CC CCB2401177These are the flexible sizes for respective age group as per mentioned in CM Size Increase Approx Age Chest (CM) Waist (CM) Hips (CM) 44 Tiny Baby 36 36 37 50 New Born 38 38 39 56 1 2 M 40 40 41 62 0 3 M 42 42 43 68 3 6 M 44 44 45 74 6 9 M 46 46 47 80 9 12 M 48 48 50 86 12 18 M 50 50 52 92 2 Y 52 51 54 98 3 Y 54 52 56 104 4Y 56 53 58 110 5Y 58 54 60 116 6Y 60 55 63 122 7Y 62 56 66 Organic cotton t shirt Material and technologies: 100% cotton (weight