Y2K Old Navy Button Up Denim Size 16 (girls)

Verify measurements. I think this is a size 16 kids. Looks like an adult small. Tag says 2003 Measurements (flat and buttoned) Length from shoulder to waist: 22 inches Armpit to armpit: 18 1/2 inches Shoulder to shoulder: 15 inches Sleeve length: 22 1/2 inches