Just recently Hydrapak became our partner and sent us a the AMMO to review.
Here are the specs:
fluid capacity- 100 fl. oz.
gear volume-915 cu. in.
empty pack weight-2 lbs. 2 oz.
Rugged ballistic nylon construction, separate zippered resevoir compartment, tri-lobal padded back, bottom pocket for tools, two side zippered pockets, front gear pocket with Hydratunes cord port, padded shoulder straps and removeable waist strap.
Check out more Hydrapak Gear on their SITE