The osprey verve range is a womens specific hydration pack which is jammed full of features that make your life that little bit easier when out on a ride the reservoir of the bag is accessed via an asymmetric zip for quick and easy refills the reservoir incorportaes a unique hydrostatic plate that maintains the shape of the bladder and also keeps the water pressure high which allows for high flow rates to the bite valve osprey have also solved the issue of the loose hose with a magnet system