The EXCURSION Pack is a top choice when size, organization, style and useful load is goal #1. This is the ultimate hunters pack, but crosses over to a suitable ordinary every day use including travel and stylish school pack… The Mossy Oak Infinity 600D polyester aesthetics and 1422 cubic inches of interior storage, that is durable microfiber canvas vinyl backing is water resistant… and is all hanging on double-padded shoulder straps, sternum and compression straps, promising the best in load management and comfort. The main pocket is large and suitable for a water bladder and has a water pipe exit. Includes two extra side pockets, front easy access compartments with dog hold and elastic.  The 3 front compartments will organizers for pens, calculator, keys, etc. The middle padded pocket is great for iphone, ipod or any devise that requires an ear phone wire exit.  (*water bladder not included)