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The Hydro backpacks are compact and have 3 rear zip pockets which open up to store items. The hydration bladders are 1.5L & 2L with a foldable wide opening that allows better cleaning than the traditional screw lid bladders. The drink tube features a smart valve automatic opening & closure system. The hydration system is BPA free. The water bladder can also be removed to allow greater backpack storage.

  • Hydro Medium Bag capacity 1L  -  Hydration pack capacity 1.5L - Weight 315gms
  • Storage - 1 Large central pocket for water bag, The rear completely opens up for more storage options
  • Hydration bag has large flip top opening that allows for easy filling & cleaning. Is also BPA free
  • Hydration hose length 1000mm with intelligent smart valve that automatically opens & closes
  • Velvet lined zipped phone pouch
  • Bag has comfortable padded shoulder straps with 1 chest strap
  • Bags have a soft comfortable perforated underside to protect your back   
  • Made from lightweight resistant material
  • Light loops on bag
  • Hanger hook to hang bag to a peg
  • Available in various colours 
  • Zefal  


BPA = Some research has shown that BPA can seep into food or beverages from containers that are made with BPA. Exposure to BPA is a concern because of possible health effects of BPA on the brain, behavior and prostate gland of fetuses, infants and children. Additional research suggests a possible link between BPA and increased blood pressure. All Zefal water products are BPA Free


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