If you can’t spend much, your best bet is this Prana T-shirt. It's a fantastic piece, while not very expensive. Another strong contender for your wardrobe is this Vans Tank. While the price of this product is not too high, it will certainly attract a lot of attention. Or you can choose this The North Face Tank - be sure you'll be making a stylish addition to your wardrobe.
If you're after a bargain, look no further than this Lacoste V-Neck Tee. This item doesn't cost too much, but definitely deserves a place in your wardrobe. You might also want to take a look at this Lanston Tank. It's an attractive option both price and quality-wise. Alternatively, opting for this LnA T-shirt is a smart choice as well!
If you can afford to splurge, then what you're looking for is this Nicole Miller Tank. It's more expensive but worth your money.