CamelBak Hydrobak Hydration Back Pack

What are the delivery costs?

We offer Free UK Mainland Delivery on all orders over £20. Products shipped to outlying UK regions are excluded from free shipping.

Standard delivery is normally 2 - 5 working days.

Please view our delivery page for full information on UK and international delivery costs.

When all you want is water. Our most minimalist bike pack holds a 1.5L Antidote® reservoir in a narrow profile that maximizes your range of motion. Super lightweight with one small front pocket and reflective strip for early morning and evening safety.
Antidote® Reservoir Features:
  • 1/4 turn - easy open/close cap, lightweight fillport, center baffling and low-profile design, patented Big Bite™ Valve, HydroGuard™ technology, PureFlow™ tube, easy-to-clean wide-mouth opening
Key Pack Features:
  • External fill, essentials pocket, reflectivity, short torso sits above jersey pockets
Designed To Carry:
  • Multi-tool or wallet, keys
CamelBak® Got Your Bak™ Guarantee:
  • If we build it, we'll Bak it™ with our lifetime guarantee.
Tech Spec :
  • Hydration Capacity: 50 oz / 1.5 L
  • Total Capacity: N/A + 1.5L Reservoir
  • Total Weight: 5.6 oz / 0.16 kg (pack only)
  • Dimensions: 12.625 X 9.25 X 3.5 in / 32 x 23 x 9 cm
  • Torso Length: 11 in / 28 cm
  • Empty Reservoir Dimensions: Air Mesh
  • Full Reservoir Dimensions: N/A
  • Materials: LightWeight Mesh


Occasionally, without notice, manufacturers change product design and/or specifications.