Below i have listed the measurements please note all these measurements are UNSTRETCHED:

XSC - INSIDE LEG LENGTH - 36CM, WAIST - 44CM - AGE 3/4

SC - INSIDE LEG LENGTH - 36CM, WAIST - 46CM - AGE - 5-6

MC - INSIDE LEG LENGTH - 38CM, WAIST - 48CM - AGE - 7-8

LC - INSIDE LEG LENGTH - 41CM, WAIST - 50CM - AGE - 9-10

XLC - INSIDE LEG LENGTH - 42CM, WAIST - 52CM - AGE 11-12

SA - INSIDE LEG LENGTH - 44CM, WAIST - 54CM - UK SIZE 8 

MA - INSIDE LEG LENGTH - 45CM, WAIST - 56CM - UK SIZE 10

LA - INSIDE LEG LENGTH - 48CM, WAIST - 58CM - UK SIZE 12 

XLA - INSIDE LEG LENGTH - 50CM, WAIST - 60CM - UK SIZE 14