Move up with Herschel's Pop Quiz Backpack, which just received a design upgrade. Herschel not only improved functionality they also shifted to using 100% post-consumer recycled water bottles to make the fabric and all components. Functionality is mastered with a top sunglasses pocket, dual external water bottle sleeves a front organizational pocket and an external zippered pocket. Don't forget about the internal padded laptop sleeve. 25L backpack Zip zippered closure Internal 16" padded floating laptop sleeve Top stash pocket for sunglasses or small essentials Dual expandable exterior water bottle pockets Front pouch with internal organizers & key clip Zippered front pocket Adjustable EVA-padded shoulder straps Made from 100% recycled post-consumer water bottles 17.5" (H) x 12.25" (W) x 6.5" (D), 25L