If you're after a thrifty option, your best bet is these Birkenstock Flat Sandals. It's a fantastic product, while not very expensive. Another smart option is these Reef Sandals. While the price is not very high, be sure that this piece will become a great addition to your wardrobe. You might also want to consider these Clover Canyon Flat Sandals. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.