Best tanks ever. Literally wear them everyday to, gym or for a run or even just out. Lightweight material (like a sports jersey material) with plenty of holes for air travel. Initially purchased a three pack in L and wanted to see if they fit as expected and wanted to see the quality of the material. Size fit as expected. I'm 5'10 and 185 pounds. I usually wear a large T-Shirts and sometimes a med 15 1/2 fitted dress shirt. Tanks fit great without being too tight or too loose. Loved them so much, I bought a second three pack in different colors. I've washed them several times so far in cold water and haven't had any problems with shrinking, color fading, or fraying. For this price, highly recommend.