If you're looking for an affordable item, your best bet is this Hinge Tank. It's a great product, while not very expensive. Another nice option is this American Apparel Tank. While the price is rather reasonable, be sure that this item will become a valuable addition to your wardrobe. You might also want to consider this H&M Tank. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.
For something in the middle of the price range, we've got your back with this L'Agence Tank. This piece is bound to become a total wardrobe staple. It's also worth looking at this Eileen Fisher Tank. This piece is extremely popular and, just as importantly, not too pricey. Alternatively, opting for this Neiman Marcus Tank is a great choice as well!
If you're in a Treat Yo' Self mood, then you absolutely must check out this Helmut Lang Tank. This piece seems costly, but it's worth it. Why not take a look at this Tank too? Expensive, but worth every penny. And one more item you might be interested in is this Vince Tank. 'Cause you deserve nothing but all the finer things!