100% Top-Grain Leather in a class of it's own. The Sitka has a timeless look and functionality. Fit's up to a 15" laptop. Sturdy nylon interior lining. Detachable and adjustable leather shoulder strap. Large interior compartment. Buckle clip closures on front straps for easy access. Two exterior pockets for cell phone and other accessories. Rear zippered pocket on the back of the bag. Luggage strap on the back of the bag. Top zippered pocket for better security. Sturdy briefcase handle.