- Shape-Shift™ Reservoir – lock baffle for slim profile, unlock for volume
- Slide-Seal™ Top – opens wide and seals tight
- Blaster™ Valve – silicone, high flow bite-valve with twist shut off
- Plug-N-Play™ Connector – quick disconnect for convenient tube removal
- Quantum Clip™ – magnetic tube fastener set
- Can be frozen or filled with warm water (max temp 170°F / 77°C)
- Inline filtration compatible
- Reversible and anti-microbial to prevent bacteria & mold
- 100% BPA and PVC Free
- Durable, built for a lifetime of tough use, No-Leak™ Lifetime Guarantee
Our best-selling reservoir, the 2L Shape-Shift™ was engineered for outdoor enthusiasts and performance athletes looking for the best hydration system on the market.
Our largest reservoir, the 3L Shape-Shift™ is perfect for those who need more capacity out of their hydration system.
Simple, flexible, and ultra-durable, the Hydrapak® Shape-Shift™ Reservoir can turn any pack into a hydration machine. The center baffle keeps a slim profile, enhances stability, and reduces sloshing when on the go. The patented wide slide top opening allows for fast filling and a leak-proof seal. It is the only reservoir on the market that is fully reversible, which makes cleaning and drying a breeze. Featured in over 40 performance brands, it’s easy to see why this universal replacement reservoir is the top choice in hands-free hydration.








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