Under Armour Hustle Backpack 6.0 93% Polyester 7% Nylon Storm Technology delivers an element-battling, highly water-resistant and stain-resistant finish EVELED strap system guides you to assure straps are adjusted eenly for balanced weight distribution Soft-lined laptop sleeve - holds up to 16" laptop Fully expandable main compartment to fit all your gear and secondary compartment works as a shoe/laundry pocket Secure zip front pockets for essential item storage Side water bottle pocket that fits 32oz bottle Adjustable, removable UA strap clip on shoulder to prevent duffle bag from falling off when carrying both Molle webbing for additional attachment points