93/7 polyester/nylon; Storm Technology delivers an element-battling, highly water-resistant and stain-resistant finish; Soft-lined laptop sleeve - holds up to 16" laptop; Fully expandable main compartment to fit all your gear; Secondary compartment works as a shoe/laundry pocket; Secure zip front pockets for essential item storage; Side water bottle pocket that fits 32oz bottle; LEVELEDâ„¢ strap system; Molle webbing for additional attachment points; Adjustable, removable UA strap clip on shoulder;