Brenthaven Expandable Trek Backpack for Notebooks up to 15.4" Padded computer compartment provides protection for notebooks up to 15.4" Front organizer pouch with multiple pockets for iPod, cell phone, pens and other accessories; includes a pass-thru and storage pocket for ear buds or wireless headset Two large storage compartments to accommodate large loads; includes a file organizer, multi-media storage section, and an expandability option Removable mesh pocket on front of pack for carrying gym clothes, shoes, bike helmet etc Brenthaven legendary Lifetime Guarantee!