Remember high school algebra, when everything was complicated until you found the right formula — and then it all just worked? That's what it's like when you add a crossbody bag to your repertoire. Suddenly, your hands are free, your stuff is safe — and you look pretty darn cute. To prove our loyalty to this essential bag, we've rounded up summer's best and brightest options. Click through for the solution to all your carryall conundrums.
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