They now have a full class schedule and their locker is piled high with books. Your teen needs a backpack that holds tons of stuff. But it's got to look cool too. These bags fit the bill.

Not-So-Basic Black
The across-the-chest strap and sleek gray-on-black stripe will give your teen that too-cool-for-school look he's after. Bag is 18 x 13 x 6 inches. Samsonite Semester Sling, find retail locations at samsonite.com, $29.99.

Happy Campers
If student by week and nature lover by weekend sounds like your kid, this dual-purpose bag is a perfect pick. Made from water-resistant, durable ripstop nylon, and with storage space galore and extra-comfortable padded back panel and oversize shoulder straps, this bag will help him weather any situation, from camping to algebra. Bag is 12 x 18.5 x 10 inches. Browning Logan Pass Day Pack, find retailers at browningcamping.com, $64.99.

Going Dotty
This oversize everyday backpack will hold all the books, binders, and pens your kid will need for the day, and the classic style is now available in 20 new prints and patterns -- we love these mod dots. Bag is 17.25 x 13 x 10 inches. JanSport Big Student Backpack, find retailers at jansport.com, $50.00.

Built Tough
Made of ballistic nylon (a material originally developed for WWII airmen's protective jackets), this backpack will withstand whatever wear and tear your teen can throw at it. Bag is 18" x 11" x 6". Available at ful.com, $49.99.

DIY Design
Your kid can unleash his inner Picasso on this customizable canvas messenger bag. Available in gray or green, each bag comes with a fabric pen, templates, and instructions for a totally one-of-a-kind back-to-school bag. Bag is 19 x 14 x 8. Artist Series Messenger Bag, available at caselogic.com, $39.99.