Binky Bro swimmie Board shorts swim trunks new, with tags, size 2-3 years old Inner mesh liner, elastic waist with drawstring. Tan/beige with white draw string, black logo and white fabric striping on the sides. Super cute little back pocket!! Retail $34 The sizes are true-to-size based on the child's age. What this means is the average sized kid--about 50% on the growth charts--is used as the barometer for waist sizing. If you have a child who's age fits evenly between the ranges, or you know is larger than average, it might be best to size up rather than to size down. Child Waistband Sizing: 6 months - 12 months - 41cm Waistband 12 months - 18 months - 43cm Waistband 18 months - 24 months - 45cm Waistband 2 years - 3 years - 47cm Waistband 4 years - 5 years - 49cm Waistband 6 years+ - 51cm Waistband *Measurements are of a relaxed circumference.