Enjoying a day at Chicago's lakeshore sounds like a no-brainer. Sun, sand, and a few gal pals. What's not to love? But, before you hop on the El headed east, make sure your beach bag is packed with all the essentials you'll need to stay comfy, relaxed, and, of course, chic.You don't want to risk the embarrassment of last year's stained beach towel and withered bikini, and we can help. Click through for the cutest finds worthy of your day off, and be sure to share this story with your water-loving friends. If they shop, too, they won't be quite so tempted to borrow all of your awesome stuff.