If you are on a limited budget, this Eileen Fisher Tank will fit the bill. It's a great choice, while not very expensive. Another strong contender for your wardrobe is this Ming Wang Tank. While the price of this piece is not too high, it will surely attract a lot of attention. 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 most certainly will fall in love with this item.
If you're willing to splurge, then you absolutely must check out this Ralph Lauren Tank. This product seems pricey, but it's well worth it. 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.