Color: Sharks Pack includes 6 pairs of boxer-briefs, each in a different color, pattern or print. Comfortable elastic waistband with logo graphic. Fly front. Soft, breathable, lightweight jersey. Tag-free label inside back waist for added comfort. 60% cotton , 40% polyester Machine wash. Imported. XS = 5-6 yrs. (22 1/2" waist). S = 6-8 yrs. (23"-23 1/2" waist). M = 8-9 yrs. (24" waist). L = 9-11 yrs. (24"-26" waist). XL = 11-12 yrs. (27" -28" waist). Pet and smoke free .