The crossbody bag is a must-have because it's so damn wearable and comfortable. Hands-free shopping, train commuting, coffee-down-the-street-carrying, really, the possibilities are endless. If you expect to have your hands full on a certain day, you need one of these. LAUREN RALPH LAUREN Thurlow Leather Crossbody Bag, $88 at Lord
The weekender isn't just for impromptu trips to the Cape, this large bag doubles in a pinch as other bag types you need in your daily life. For example, the gym bag, the grocery bag, the diaper bag, and of course, the carry-on bag that takes the place of your purse and allows you to haul more stuff with you under your seat on the plane.Stela 9 Allende Weekender, $282 at Shopbop.
The quirky bag. It can be any shape or structure you choose, really. But the most fun ones are usually in the evening category. Get something that really stands out for your LBDs.BCBGeneration Mila Rhinestone Box Clutch, $59.95 at DSW.
I simply call this the brunch bag, for those days you're only going to be out for a couple of hours and really don't need to carry all that extra handbag. Of course, a sequined clutch could be cute, on occasion. But mostly you'll just want something that says causal, simple to grab on-the-go.Vanessa Bruno Embellished Print Clutch, $94 at Modewalk.