elastic waistband repeating old navy logo fly front sits at waist fitted hip and thigh hits mid-thigh xs = 5-6 yrs. (22 waist) s = 6-8 yrs. (22-23 waist) m = 8-9 yrs. (24 waist) l = 9-11 yrs. (24-25 waist)machine wash according to the care instruction label . Best Holiday gift for Kids , perfect Boxers for Christmas!