The original Platypus® water reservoir that became a backcountry classic, the Hoser™ is an ultralight, minimalist hydration system that delivers taste-free hydration with a versatile, durable design that makes it great for backpacking, thru-hiking, and day hikes.

Updates include a new self-sealing HyFLO™ bite valve that delivers a 30% increase in flow rate, making it quicker and easier to hydrate on the go.

Introducing the Big Zip™ EVO- the latest evolution in taste-free hydration. The Big Zip EVO delivers a significantly higher flow rate than previous Platypus reservoirs and a host of new features, making it a great option for backpackers, hikers, and mountain bikers.