100% Polyester; Water-resistant UA Storm technology keeps your stuff dry; LEVELED™ strap system guides you to assure straps are adjusted evenly for balanced weight distribution; CORDURA® fabric is extremely durable but lightweight with PUcoated front for added protection; Adjustable, removable UA Strap Clip™ on shoulder to prevent duffle bag from falling off when carrying both; Back compartment with laptop sleeve—holds up to 15 laptop or similarly sized laptop; Large, expandable front laundry/shoe pocket at bottom of bag; Reflective molle webbing for additional attachment points; 2 side water bottle pockets; Top Grab Handle ; Product Size: 7.1 W x 18.9 H x 11.4 L; Volume: 1,281.6 Cubic Inch / 21 L; Under Armour Triumph Backpack Black