Zizzi blue & white long sleeve Vneck tunic-size XL

Zizzi blue & white long sleeve tunic with buttoned cuffs. Vneck. Buttons down the front. Size XL. Armpit to armpit is 24 inches, length is 35 inches. Material is 97% polyester, 3% elastane. In new condition. Says it’s a M, but measurements say it’s an XL.