16 Designer Backpacks You Don't Have to Go Back to School to Wear From logomania to sleek leather, backpacks aren't just for the kids anymore. The Prada Classic Prada backpack, $950, net-a-porter.com. Prada's nylon backpack may have been a staple in the '90s, but it's just as relevant now. Dress it up or dress it down no matter what the season.
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