Child Waistband Sizing: 6 months – 12 months – 41cmWaistband12 months – 18 months – 43cmWaistband18 months – 24 months – 45cmWaistband2 years – 3 years – 47cmWaistband4 years – 5 years – 49cmWaistband 6 years+ – 51cmWaistband *Measurements are of a relaxed circumference.Adult Sizing: Small – 70cm Waistband – 38cm Outseam Medium – 76cm Waistband – 40cm Outseam Large – 82cm Waistband – 42cm Outseam Extra Large – 88cm Waistband – 43cm Outseam *Waist measurements are of a relaxed circumference.