Hydration is essential throughout the day while outdoors and there are a lot of ways to provide fluids, from the humble water bottle to flexible flasks, vacuum flasks and hydration bladders. We stock the key brands such as Platypus, Hydrapak and Nalgene as well as interesting newcomers like CNOC. We also stock a comprehensive range of Water Filters so you can fill up confidently on the trail.

  • GSI Outdoors Boulder Flask GSI Outdoors Boulder Flask

    GSI Outdoors

    Boulder Flask

    Weighs
    116g
    Eco Initiatives:
    BPA Free
    Weighs:
    116g
    Hydration Capacity:
    <0.5L

    An instant classic. This no-nonsense, good sized flask is lightweight, durable and easy to use. No matter what you intend to fill in with, water, milk or something stronger and more interesting this is a great flask for taking with you.  GSI...

    £17.49
  • GSI Outdoors Microlite 350 Flip Vacuum Bottle GSI Outdoors Microlite 350 Flip Vacuum Bottle

    GSI Outdoors

    Microlite 350 Flip Vacuum Bottle

    Weighs
    202g
    Weighs:
    202g
    Hydration Capacity:
    <0.5L

    The super thin, ultralight design saves loads of weight on this modern flask. The flip top and push-button lock make drinking from it easier than ever too. With over 350ml of your favourite drink being kept warm or cold for the day you'll end up taki…

    £26.99
    RRP: £27.99 | Save: £1.00
  • GSI Outdoors Microlite 500 Twist Vacuum Bottle GSI Outdoors Microlite 500 Twist Vacuum Bottle

    GSI Outdoors

    Microlite 500 Twist Vacuum Bottle

    Weighs
    224g
    Weighs:
    224g
    Hydration Capacity:
    0.5-1.0L

    A simple and effective take on the old flask but the super thin, ultralight design saves loads of weight and transforms this modern incarnation. With 500ml of your favourite drink being kept warm or cold for the day you'll end up taking this out more…

    £28.99
    RRP: £30.99 | Save: £2.00
  • GSI Outdoors Microlite 500 Flip Vacuum Bottle GSI Outdoors Microlite 500 Flip Vacuum Bottle

    GSI Outdoors

    Microlite 500 Flip Vacuum Bottle

    Weighs
    224g
    Weighs:
    224g
    Hydration Capacity:
    0.5-1.0L

    The super thin, ultralight design saves loads of weight on this modern flask. The flip top and push-button lock make drinking from it easier than ever too. With over 500ml of your favourite drink being kept warm or cold for the day you'll end up taki…

    £29.99
    RRP: £30.99 | Save: £1.00
  • GSI Outdoors Microlite 720 Twist Vacuum Bottle GSI Outdoors Microlite 720 Twist Vacuum Bottle

    GSI Outdoors

    Microlite 720 Twist Vacuum Bottle

    Weighs
    296g
    Weighs:
    296g
    Hydration Capacity:
    0.5-1.0L

    A simple and effective take on the old flask but the super thin, ultralight design saves loads of weight and transforms this modern incarnation. With 720ml of your favourite drink being kept warm or cold for the day you'll end up taking this out more…

    £33.99
    RRP: £35.99 | Save: £2.00
  • GSI Outdoors Microlite 720 Flip Vacuum Bottle Microlite 720 Flip Vacuum Bottle

    GSI Outdoors

    Microlite 720 Flip Vacuum Bottle

    Weighs
    304g
    Weighs:
    304g
    Hydration Capacity:
    0.5-1.0L

    The super thin, ultralight design saves loads of weight on this modern flask. The flip top and push-button lock make drinking from it easier than ever too. With over 700ml of your favourite drink being kept warm or cold for the day you'll end up taki…

    £33.99
    RRP: £35.99 | Save: £2.00

Shop our comprehensive range of Water Bottles, Bladders, Flexi-Flasks and Vacuum Flasks. We have hydration products from specialist ultralight suppliers such as CNOC and Raidlight as well as complete ranges from established brands like Hydrapak, Platypus and Hydro Flask. We provide accurate weights & full technical specifications. Get our honest verdict on each item along with verified user reviews & in-depth reviews from members of our team and our partners at Trek Scotland. Free UK+EU Delivery on orders over £15. Tracked Royal Mail Delivery as standard for UK orders.