Cortech Super 2.0 Backpack Features: -1680 denier ballistic polyester and 1800 denier three-lined twill Jacquard construction -Locking zipper pulls do not flap in wind, or open when in the locked position -Waterproof pocket for water bladder -Phoslite reflective piping -One built-in sip tube/headphone exit port -Hide-away adjustable waist straps -Internal pocket for lap top storage accomodates up to 14W x 9.5L x 1.5D -Two-tone red and black lining interior -Two multifunctional side pockets can be used for storage or as a water bottle holder -EVA-backed PP board structural panels -Internal organizer and media pocket -Mesh padded back pad provides ventilation -Built-in padded helmet house