If you're a budget-conscious shopper, your best bet is this Vince Tank. It's a wonderful item, while not very pricey. You might also be interested in this Sun & Shadow Tank. It's a product you're bound to love which also doesn't cost the earth. Or you can choose this Free People Tank - be sure you'll be making a stylish addition to your wardrobe.
If you're after a bargain, look no further than this Eileen Fisher Tank. This item doesn't cost the earth, but absolutely deserves a spot in your wardrobe.