Smart design, meet peak performance – also known as the Shape-Shift Reservoir. Our time-tested creation for hydration on the go, it can take a serious beating, it fits nicely in most packs and it’s fully reversible for easy cleaning. Durable, dependable form and function.

  • Centre baffle functions like a zip-lock bag, sliding together to lock for a low-profile and 1.5-litres in volume – pull or slide apart to unlock full 2-litres of volume
  • Simple to use, the patented Slide-Seal top opens wide for quick filling and closes tight for a leakproof seal, includes tether to prevent miss-placing
  • Dual FlexGrip handles make the reservoir convenient to carry and access in your pack, providing a secure grip while filling and pouring
  • Flexible 36″ HydraFlex drink tube is non-kinking and provides a steady flow
  • High-flow Blaster bite valve self-seals after each sip and features a smooth twist on/off bar to prevent leaks when not in use
  • Plug-N-Play connector optimized for increased flow and a shrouded auto shutoff valve to prevent accidental activation
  • Made of ultra-durable, abrasion resistant TPU & RF welded seams for superior durability and elasticity
  • 100% BPA & PVC free, wide working temperature range (can be frozen – max temp 60° C)


  • 2 Litre: 2L (unlocked) / 1.5L (locked)
  • 3 Litre: 3L (unlocked) / 2.5L (locked)


  • 2 Litre: 340mm x 165mm
  • 3 Litre: 445mm x 165mm


  • 2 Litre: 141g
  • 3 Litre: 154g