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Sea to Summit Watercell X

Size: 4L

The Sea to Summit Watercell X is a versatile and durable water carrier. Constructed with 3D baffled, RF-welded tough TPU, the Watercell X is compact, stackable and easy to use. The 63mm wide mouth cap and integrated handle make filling it simple, while the multi-function cap allows you to control the flow for pouring and can also be interchanged with a shower head attachment (included). Welded lash points and an adjustable strap combine to endear the Watercell X to multiple uses.

Can the Watercell X…?

  • Be cleaned with bleach? We would recommend against using bleach (because of the aftertaste) – taste-free peroxide cleaning tablets are available.
  • Be used for drinks other than water? Only if it is cleaned correctly afterwards – see the point on peroxide cleaning tablets above. 


  • Made from flexible, abrasion-resistant laminated 400D Nylon
  • BPA, PVC free
  • RF-welded 3D shape with internal baffle for ease of use
  • Adjustable strap
  • Shower fit attachment included
  • Opening compatible with industry-standard water filtration systems
  • Can be stacked and strapped together when filled


  • Weight: 4L 172g | 6L 196g | 10L 245g | 20L 336g
  • Dimensions: 4L 28 x 21 x 10cm | 6L 35 x 23 x 10cm | 10L 42 x 28 x 12cm | 20L 51 x 37 x 16cm

Personal Shopping - By Appointment

Would you like to try on some climbing shoes, running shoes or mountain boots for size before you make your purchase? If so, then why not book an appointment with us today! We can offer you a bespoke one-on-one shopping experience with one of our experienced staff members.