Hydrapak Water Bladder Systems

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The Hydrapak is a reversible bladder reservoir system that fits into your backpack with a low profile and minimal sloshing. The wide slide top opening allows for adjustable sizing and easy access for filling/cleaning. The quick disconnect allows you to refill the bladder without removing the hose from your pack.

Availability: In stock

Product Name Price Qty
Hydrapak 2L
Hydrapak 3L



The Hydrapack Shape-Shift was designed with the hiker in mind. It is a simple, flexible and durable bladder. Adding this to your backpack, turns most packs into a reliable hydration system. It has a center baffle to help keep a slim shape and reduces water sloshing when moving. The reservoir has a wide slide to open top to allow for easy filling and leak-proof sealing. Best of all, it is the only reversible reservoir on the market, allowing for easy cleaning, drying, and filling.

Water Bladder Features

  • High flow bite-valve with twist shut off

  • Convenient tube removal quick disconnect

  • Magnetic tube fastener set

  • Can be frozen or filled with warm water (max temp 170°F / 77°C)

  • Inline water filter compatible

  • Reversible and anti-microbial to prevent mold

  • 100% BPA and PVC Free

Additional Info

Additional Info

Video No
Specs Shape-Shift™ Reservoir 2L
Capacity: 70 fl oz / 58 fl oz baffled
Weight: 4.9 oz (140 g)
Dimensions: 13 x 6.5 x .8 in (33 x 16.5 x 2 cm)
Material: 0.25 mm TPU

Shape-Shift™ Reservoir 3L
Capacity: 100 fl oz / 88 fl oz baffled
Weight: 5.7 oz (162 g)
Dimensions: 17 x 6.5 x .8 in (44 x 16.5 x 2 cm)
Material: 0.25 mm TPU

Care Instructions
Rinse before use. Reverse to clean and dry after each use. Dishwasher safe (top rack recommended).


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