According to Insider, Unlike other brands, Tommy John's undershirts have a streamlined fit, so you won't have the feeling of a bunched-up T-shirt under your clothes. By pairing your dress shirt with a quality undershirt like the Stay Tucked Crew Neck Undershirt from Tommy John, you will have the perfect combination of comfort and style for any formal occasion
With puff sleeves, a deep V-neckline, and a front slit for a touch of allure, it's ideal for garden parties, summer dates, or elegant daytime outings
This brand runs small so I'd recommend sizing up
Therefore, tailors add in a certain amount of excess fabric to accommodate movement, as well your personal comfort and overall style
It's softer than I expected and fit perfectly