Platypus Hoser 1 Liter Helmets delivering powerful energy transfer for

delivering powerful energy transfer for skiing with a 60° cuff rotation range for walking mobility

Keystone thumb pattern for maximum dexterity

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

trail runners

Platypus Hoser 1 Liter Helmets delivering powerful energy transfer forThe 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