If you're a frugal shopper, this Eileen Fisher Tank will fit the bill. It's a popular choice, while not very expensive. In this price range, you can also take a look at this Ming Wang Tank. It's also a popular item and won't break the bank. Or you can opt for this Nic+Zoe Tank. This item has all the potential to become a powerful player in your wardrobe.
If you're a bargain shopper, you're in luck with this Ming Wang Tank in stock and waiting for you. You are bound to fall in love with this product.
If you want to splurge on a luxury piece, then what you're looking for is this Ralph Lauren Tank. It's more expensive but worth your money. While you're at it, also have a look at this Armani Collezioni Tank. Yes, this item is expensive, but it does not mean it's not worth it.