The best tank tops for men go by many names—A-shirts ... $19.00, Amazon Material: 75% Cotton, 25% Polyester Sizes: S-3XL ...

Gap is currently offering a sale on Men's Rib Tank Tops (pictured below ... The fabric is equipped with 95% cotton as well as 5% spandex. This makes for a comfortable design and the durability ...

Look for Pima or Supima cotton ... for men are designed to be thin and worn as a base layer beneath other garments, they can also be worn alone as just a t-shirt or a tank top in certain situations.