Add-A-Bag System/ TUMI Tracer/ Waterproof Pocket/ Key Leash/ Card Pocket/ 2 Media Pockets/ Double-Zip Entry To Main Compartment/ Laptop Compartment (Fits 15 " Screens)/ Side Water-resistant Water Bottle Pocket With Drawstring Closure/ Leather Top Handle/ Padded Adjustable Shoulder Straps/ Black/Gunmetal Finish