Signature Etro Floral & Paisley print short sleeve cotton button up shirt, size Large? The tag says XXL BUT... I put the measuring tape in the photos because this is NOT American XXL. Laid flat pit to pit is apx 21", and the length is apx 28". I would think it looks more like a US men's slim large. It is very soft cotton, The underarms are a little bit darker from wear, when you look from up close. I have a second Etro listed - check my closet to bundle and save #Etro #EtroMilano #ResortWear #MensLuxury #QuietLuxury