Rick Steve's Civita day pack is super light and soft (he claims you can stuff it with your jacket and use it for a pillow in a pinch) This little backpack won't weigh you down or take up much space in your larger pack. Padded straps and three pockets--the main compartment, a smaller front compartment, and a zippered pocket. Perfect for travel or a family trip to Disney because there is no extra weight to weigh you down.
 
14" x 11" x 5 ½"