Platypus Hoser 1 Liter Helmets Compatible as an attachment to

Compatible as an attachment to several Osprey travel and backpacking bags for additional storage and carry options

pendulum and weight properties in addition to superior impact properties

Keystone thumb pattern for maximum dexterity

The filling pressure of the cartridge can be checked quickly and safely using a pressure gauge

Platypus Hoser 1 Liter Helmets Compatible as an attachment toThe 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. Drink on the go: New simple, one piece, self