Verse Top Blouse Blue Floral XL Runs small!

Verse blouse/top XL with thin straps. White with blue floral print. Purchased from Stitch Fix. Washed once in cold water and hung to air dry. Never worn. Runs small!!! More like a large. Measures between 18-19 inches from armpit to armpit. About 27 inches from shoulder to waist. Measurements are approximate. Very pretty!