JS Rugged Mountaineering Trekking Day/Outdoor Backpack Strong nylon and mesh design with reinforced inner and exterior padding, triangle fixed shoulder straps and an adjustable waist strap for additional support Extra-large, open zippered compartment to store large items with one thickened padded laptop compartment that supports up to 17" laptops and a smaller secondary zippered compartment for additional storage One exterior easy to access zippered pocket to store small personal items Adjustable side compression straps and two mesh beverage pockets Available in six eye catching colors; Blue, Yellow, Black, Orange, Green and Red