These are our cotton shorts. They are made out of a cotton fabric, they have an elastic and a faux tie on the waist! We also love the functional pockets. Wash in cold water Fit True to Size 95% Cotton 5% Spandex Measurement in inches: Length: 0-3m 5.5, 3-6m 6.25, 6-12m 7, 18m 7.5, 2T 9, 3T 9.25, 4T 9.5, 5T 11.25 width: 0-3m 7.5, 3-6m 7.75, 6-12m 8, 18m 8.25, 2T 8.5, 3T 9, 4T 10, 5T, 11