We're very sorry to learn that the Adidas® Performance Polo Shirt you received was not true to size. We'd be happy to help. Furthermore, we recommend replying to this review and providing a picture of the affected product and if possible, with the other polo shirts of the same size as a reference for the comparison, so we can work with you to find a better resolution possible. We will ensure your feedback is shared with the relevant team. We anticipate hearing from you.