Dalton State College Bookstore: JanSport Big Student 17.5 。Color: Dark Slate Ripstop Features: 300/600 Denier recycled ripstop polyester External plush lined zippered stash pocket Dual stretch mesh water bottle side pockets for easy access Secondary compartment with padded media sleeve, organization panel and a zippered mesh pocket Dual side compression straps securely holds gear Padded haul handle with multiple gear attachment points Fun printed liner Fully padded air-mesh back panel with channel for comfort and breathability Large main compartment with a padded laptop sleeve and hydration port Easy clean water repellent heavy duty coated TPU bottom material Laser cut lashing square and gear loop Padded S-Curve air-mesh shoulder straps with adjustable sternum strap and hydration tube management JanSport offers a lifetime warranty on its backpacks.