Platypus Big Zip EVO Reservoir brand_Mountainsmith and most factory crossbars

and most factory crossbars

the Revivex Odor Eliminator gets the job done

The LightWire™ frame transfers loads to the hipbelt

saturating completely

apart on hems

Platypus Big Zip EVO Reservoir brand_Mountainsmith and most factory crossbarsThe Platypus Big Zip EVO Reservoir is the newest evolution in taste free hydration as it delivers a 50% increase in flow rate which is great news for adverturers such as mountain bikers, backpackers and hikers. New self sealing HyFLOW bite valve and new leakproof shutoff valve New, larger 5 16 in. diameter tubing contributes to the faster flow rate and ease of use High mount drink tube with quick disconnect makes it fast and easy to load and unload