List of the best undershirts. Undershirts for men and undershirts for women are two very different categories, but the top quality undershirts of today are all ranked here for your next shopping spree. Most of these comfortable undershirts will be white, though grey and black are increasing in popularity. Also rising to the top of the favorites, men voted for fitted V-neck undershirts as opposed to the more traditional crew neck tees to wear under their button-down shirts at work. And although these are the best undershirts (meaning they go, well, under your shirt), these look good enough to wear on their own -- at least around the house! Each of these undershirts are available for online shopping and they are the highest quality ones on the market. If you are wondering "Who has the best undershirts?" then you should be aware that some brands are really known for these type of shirts, such as Hanes and Fruit of the Loom. Both women and men also purchased sleeveless undershirts for a different look as well as more breathing space for the body.