100% Polyester UA Storm technology delivers an element battling highly water repellent finish Soft lined laptop sleeve holds up to 15" sized laptop Large vented main compartment with internal organization for carrying a laptop tablet valuables & more Two exterior valuables pockets Dual direction extra deep water bottle pocket Welded hypalon modern molle webbing for additional attachment points Works as both a backpack & duffle with removable duffle strap Padded air mesh back panel & PU coated body fabric Gusseted laundry and shoe pocket placed at bottom