Hydration Reservoirs

The soft reservoir for runners Ideal for all your trails, the SOFT RESERVOIR 1.5L will keep you hydrated and energized on the go, shrinking as you drink to limit water bounce. The reservoir combines soft materials, shorter routing and optimized slider grip for practical comfort kilometer after kilometer.

The large soft reservoir for all your trails and hikes Ideal for hiking or running. The SOFT RESERVOIR 2L will keep you hydrated and energized on the go, shrinking as you drink to limit water bounce. The reservoir combines soft materials and extra grip on the slider for practical comfort kilometer after kilometer.

NEW: Connects a GravityWorks™ water filter directly to the Big Zip™ EVO Reservoir. Connect your GravityWorks™ water filter (and most other water filters) directly to a Big Zip™ EVO Reservoir without ever having to take it out of your pack. Just plug the hose into the base of the filter, insert the quick-disconnect fitting into the upper port on your reservoir, let gravity do the rest and you'll be on your way with clean, taste-free water.

New for 2019: Premium taste-free hydration reservoir with 50% faster flow rate. 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. Available in 1.5L, 2.0L, 3.0L

NEW: Fast-flowing bite valve works with all Platypus shutoff valves and 1/4" tubing The HyFLO™ is a streamlined, one-piece bite valve that offers fast-flowing, self-sealing, leak-free performance. Made with a soft, taste-free, medical-grade silicone, the HyFLO stands up to years of use. The bite valve is included on all Big Zip™ EVO & Hoser™ Reservoirs and is compatible with all legacy Platypus shutoff valves.

UPDATED: Ultralight taste-free, minimalist reservoir with high flow rate. 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.

Osprey’s Hose Magnet Kit allows you to secure non-magnetized hydration systems to the sternum strap on your pack. Improve the efficiency of your on-the-fly hydration delivery by upgrading to a combination magnetic sternum bite valve and strap. -Magnet clip securely clips on any ¼” hose -Sternum magnet attaches to sternum web for ideal bite valve placement

Make any pack Hydraform Reservoir-compatible with Osprey's Hydraform Magnet Kit. This handy kit includes three detachable sternum-strap magnets.

Osprey’s Hydraulics 2L Reservoir by Hydrapak is ideal for large-volume packs and long-duration activities. The HydroStatic backerplate provides structure for easy loading into a full pack and maintains a flat profile. Thoughtful design makes filling, cleaning and most importantly staying hydrated on the trail easier than ever. All parts are BPA-free, phthalate-free, lead-free, guaranteed. All materials are certified food safe according to FDA and EU regulations.

Osprey’s Hydraulics 3L Reservoir by Hydrapak is ideal for large-volume packs and long-duration activities. The HydroStatic backerplate provides structure for easy loading into a full pack and maintains a flat profile. Thoughtful design makes filling, cleaning and most importantly staying hydrated on the trail easier than ever. All parts are BPA-free, phthalate-free, lead-free, guaranteed. All materials are certified food safe according to FDA and EU regulations.

Osprey’s Hydraulics Bite Valve provides a high-quality replacement for your old, neglected and beat up bite valve. The bombproof ¼ twist shut-off design guarantees you won’t experience any unpleasant leaks.

The Bite Valve Cover keeps your reservoir bite valve free from dirt and dust on the trail.

Osprey’s Hydraulics® LT 1.5L Reservoir by Hydrapak is made for light and fast activities where weight and balance are critical. Twin-welded chevron baffles stabilize the water and maintain a flat profile. The streamlined design allows for easy loading into internal hydration sleeves. Thoughtful design makes filling, cleaning and most importantly staying hydrated on the trail easier than ever. All parts are BPA-free, phthalate-free, lead-free, guaranteed. All materials are certified food safe according to FDA and EU regulations.

Osprey’s Hydraulics LT 2.5L Reservoir by Hydrapak is made for light and fast activities where weight and balance are critical. Twin-welded chevron baffles stabilize the water and maintain a flat profile. The streamlined design allows for easy loading into internal hydration sleeves. Thoughtful design makes filling, cleaning and most importantly staying hydrated on the trail easier than ever. All parts are BPA-free, phthalate-free, lead-free, guaranteed. All materials are certified food safe according to FDA and EU regulations.

• Installs on any 1/4-inch (.635cm) hose for easy disconnect/connect. • Bonus extra male piece and hose to connect to water filters.

When it’s time to replace the hose on your existing hydration system, Osprey’s Hydraulics Reservoir Hose is the answer. Made of high-quality quarter inch tubing for dependable performance and featuring a high flow rate, it will bring new life to your hydration system. All parts are BPA-free, phthalate-free, lead-free, guaranteed. All materials are certified food safe according to FDA and EU regulations.

Replacing old bite valve sheaths helps maintain a sanitary hydration system. Osprey’s Bite Valve Sheaths provide a soft surface for your chompers to sink into when you’re hydrating on the fly. Also perfect for those who can’t help but chew through the bite valve like their old #2 pencils in high school.

Completely collapsible for superior packing efficiency, our burliest medium-to-large capacity water storage and delivery systems are perfect for everything from alpine- to road warrior-style expeditions. Armed with incredibly tough 1,000-Denier exteriors and now laminated with an improved BPA-free food-grade lining for better-tasting water, these bags can handle freezing and the abuse inflicted by expedition crews and hardcore adventurers. Accessories like the Shower or Hydration Kits add do-all versatility, and the new svelte 3-in-1 cap lets you fill, drink and pour with greater ease.

COMPRESSIBLE ON-THE-GO HYDRATION When you’re going for your personal best, running out of water is not an option. Essential equipment for every adventurer, the 1 liter Stash is large enough to handle all-day hydration, expanding for use and crushing back down for maximum pack space. Compact, flexible and 50% lighter than a hard bottle. It’s construction with purpose. PACKABLE Twist to collapse down to 1/4 of it's filled size when empty, minimizing the space it takes up in your pack LIGHTWEIGHT Compact and convenient, 50% lighter than most hard bottles WIDE MOUTH Ideal size for all day hydration, easy to fill and clean and compatible with 63mm threaded filters Easy Carry Flexible bail handle for comfortable carrying and easy attachment

ISOBOUND INSULATED HYDRATION The Velocity IT 1.5L features our IsoBound™ insulation technology that keeps water cold and won't sweat in warm temperatures. Engineered to keep fluids at an ideal temperature 38% longer than a standard reservoir. After all, cold water is more refreshing.

If there’s one thing we know best, it’s water. Our athletes, customers and colleagues told us they wanted a reservoir that delivered more water per sip, with a foolproof design that made it easy to fill up and hit the trail. The Crux delivers 20% more water per sip, with an ergonomic handle for easier refilling, and an on/off lever that makes it easy to prevent leaks. Like all of our gear, we put the Crux through exhaustive stress tests to make sure that it won’t fail you on the trail. 100% free of BPA, BPS and BPF.

If there’s one thing we know best, it’s water. Our athletes, customers and colleagues told us they wanted a reservoir that delivered more water per sip, with a foolproof design that made it easy to fill up and hit the trail. Crux delivers 20% more water per sip, with an ergonomic handle for easier refilling, and an on/off lever that makes it easy to prevent leaks. Like all of our gear, we put the Crux through exhaustive stress tests to make sure that it won’t fail you on the trail. 100% free of BPA, BPS and BPF.

If there’s one thing we know best, it’s water. Our athletes, customers and colleagues told us they wanted a reservoir that delivered more water per sip, with a foolproof design that made it easy to fill up and hit the trail. The brand new Crux delivers 20% more water per sip, with an ergonomic handle for easier refilling, and an on/off lever that makes it easy to prevent leaks. Like all of our gear, we put the Crux through exhaustive stress tests to make sure that it won’t fail you on the trail. 100% free of BPA, BPS and BPF.

The Crux reservoir on/off valve pairs with CamelBak's Big Bite valve and tune. Using an integrated valve, water flow shuts off for added security during transport.

CamelBak's Ergo HydroLock controls your fluid flow with the flip of a switch. Turn it on to drink, turn it off for added security during transport. Simply insert it into the end of your CamelBak drinking tube and attach the valve to the other end. Plus, the 90-degree bend makes sipping on the go a cinch!