Boy's Swimming Shorts Navy Blue CC CCB2510833These are the flexible sizes for respective age group as per mentioned in CM Size Increase Approx Age Chest (CM) Waist (CM) Hips (CM) Inside Leg Length (CM) 92 2Y 52 51 54 36. 5 98 3Y 54 52 56 40 104 4Y 56 53 58 43. 5 110 5Y 58 54 60 47 116 6Y 60 55 63 50 122 7Y 62 56 66 55 128 8Y 64 57 69 58. 5 Boy's swimming shorts Material and technologies: 85% polyester, 15% elastane mesh lining 100% polyester a special coating provides protection against UV 50