Constructed of heavy weight durable polyester. Large main compartment with padded laptop/tablet sleeve. Large zippered middle to pack additional gear or. Mid sized front pocket for quick access to gear. Padded air mesh adjustable shoulder straps provide ventilation with multiple D-rings. MOLLE webbing so you can add additional gear. Adjustable sternum slider and waist strap for support. Padded back panel. MOLLE webbing on front to add pouches, gear. Laptop and Tablet Compartment Size: 13 - 14.9