elasticized waist elasticized leg openings sits on the hips fitted through body size xs = 5-6 years old; 22" waist size s = 6-8 years old; 22"-23" waist size m = 8-9 years old 24" waist size l = 9-11 years old 24"-25" waist size xl = 11-12 years old 26" waistmachine wash according to the care instruction label .