The ultimate accomplice for your plan of attack, the Stratagem has two compartments to protect tech and accessories. The HUB (Hybrid Unibody Backpanel) keeps thing's comfortable. Rear padded laptop compartment. Main front compartment for files and essentials. Open front compartment with padded tablet/e-reader sleeve. Multiple zippered pockets for gadgets and belongings. Ergonomic padded straps with zippered pocket and adjustable sternum strap. Ultra-padded air mesh back with Air Flow System. Laptop Compartment: 15.5"h x 11"w x 1"d; fits most 17" laptops. Dimensions: 20"h x 15"w x 12"d. Weight: 3.5 lbs./1.6 kg. 1,680D Polyester.