If you are on a limited budget, this Caslon V-neck T-shirt will fit the bill. It's a foolproof choice, while not very expensive. Another good option is this J.Crew V-Neck Tee. While the price is rather reasonable, be sure that this piece will become an excellent addition to your wardrobe. You might also want to consider this LAmade V-neck T-shirt. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.