T-shirts, underwear and socks are easy to clean. They get dirty, you throw them in the wash. But when you soil bigger, bulkier things — like, say, a backpack — restoring them to their original state ...

As back-to-school planning jumps into high gear, my top recommendation is a secure, high-tech backpack that's ready for anything. Equipping a backpack with a little bit of smart technology is an ...