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.

  • Hydro Flask Standard Mouth Insulated Sports Cap

    Hydro Flask

    Standard Mouth Insulated Sports Cap

    Weighs
    44g
    Eco Initiatives:
    BPA Free
    Weighs:
    44g

    This is a perfect alternative or spare lid for your standard mouth Hydro Flask. Hydro Flask says From mountain trails to morning yoga class, our Standard Mouth Insulated Sport Cap lets you hydrate one-handed and on the fly. It’s the first...

    £9.99
  • Hydro Flask Wide Mouth Straw Lid

    Hydro Flask

    Wide Mouth Straw Lid

    Weighs
    60g
    Eco Initiatives:
    BPA Free
    Weighs:
    60g

    This is a perfect alternative or spare lid for your wide mouth Hydro Flask. Hydro Flask says Our durable Wide Mouth Straw Lid lets you add perfect sipping to all your outdoor adventures. It works with all Wide Mouth bottles and, thanks to the handy.…

    £8.99
  • Hydro Flask Standard Mouth Flex Cap Hydro Flask Standard Mouth Flex Cap

    Hydro Flask

    Standard Mouth Flex Cap

    Weighs
    64g
    Eco Initiatives:
    BPA Free
    Weighs:
    64g

    This is a perfect alternative or spare lid for your standard mouth Hydro Flask. Hydro Flask says Strong yet flexible, our Standard Mouth Flex Cap is the perfect companion for spontaneous campouts, epic road trips, and everything in between. Made wit…

    £9.99
  • Hydro Flask Wide Mouth Flex Cap

    Hydro Flask

    Wide Mouth Flex Cap

    Weighs
    78g
    Eco Initiatives:
    BPA Free
    Weighs:
    78g

    This is a perfect alternative or spare lid for your wide mouth Hydro Flask. Hydro Flask says Bike rides along the beach or snowshoeing in the backcountry — it's easy to stay hydrated on the go with our Wide Mouth Flex Cap. Designed with stainl…

    £9.99
  • Hydro Flask Wide Mouth Flex Sip Lid

    Hydro Flask

    Wide Mouth Flex Sip Lid

    Weighs
    100g
    Eco Initiatives:
    BPA Free
    Weighs:
    100g

    This is a perfect alternative or spare lid for your wide mouth Hydro Flask.  Hydro Flask says Whether your first sip is in the kitchen, car, or campsite, the Flex Sip™ lets you enjoy your favorite brew leak-free. Our Verdict This simple …

    £13.99
  • Hydro Flask 21 oz Lightweight Standard Mouth Trail Series Hydro Flask 21 oz Lightweight Standard Mouth Trail Series

    Hydro Flask

    21 oz Lightweight Standard Mouth Trail Series

    Weighs
    260g
    Eco Initiatives:
    BPA Free
    Weighs:
    260g
    Hydration Capacity:
    0.5-1.0L

    For a practical, top quality flask look no further. This is lightweight for the size and it keeps hot (or cold) for a good amount of time. Perfect for day trips, gym use and everyday use.   Hydro Flask says 25% lighter than our 21 oz (621 ml)..…

    £39.99
  • Hydro Flask 12 oz Coffee with Flex Sip Lid Hydro Flask 12 oz Coffee with Flex Sip Lid

    Hydro Flask

    12 oz Coffee with Flex Sip Lid

    Weighs
    290g
    Eco Initiatives:
    BPA Free
    Weighs:
    290g
    Hydration Capacity:
    <0.5L

    A versatile flask that makes carrying and drinking your favourite hot or cold drinks a breeze. Well designed, well made, durable and practical, what's not to love? Hydro Flask says Whether your first sip is in the kitchen, car, or campsite, the 12 o…

    £26.99
  • Hydro Flask 24 oz Lightweight Wide Mouth Trail Series Hydro Flask 24 oz Lightweight Wide Mouth Trail Series

    Hydro Flask

    24 oz Lightweight Wide Mouth Trail Series

    Weighs
    292g
    Eco Initiatives:
    BPA Free
    Weighs:
    292g
    Hydration Capacity:
    0.5-1.0L

    For a simple, effective large capacity flask look no further. This is surprisingly lightweight for the size and it keeps hot (or cold) for a good amount of time. Perfect for long day trips.   Hydro Flask says Enough capacity to fuel your next b…

    £47.99
  • Hydro Flask 18 oz Standard Mouth with Flex Cap Hydro Flask 18 oz Standard Mouth with Flex Cap

    Hydro Flask

    18 oz Standard Mouth with Flex Cap

    Weighs
    310g
    Weighs:
    310g
    Hydration Capacity:
    0.5-1.0L

    A classic, effective and versatile flask. This is surprisingly lightweight for the size and the TempShield design keeps drinks hot (or cold) for a good amount of time. Perfect for long days out.  Hydro Flask says Keeping your fluid intake on th…

    £29.99
  • Hydro Flask 16 oz All Around Tumbler Hydro Flask 16 oz All Around Tumbler

    Hydro Flask

    16 oz All Around Tumbler

    Weighs
    330g
    Weighs:
    330g
    Hydration Capacity:
    <0.5L

    We're working out what we think - we'll add our view here!  Hydro Flask says:  Our 16 oz All Around™ Tumbler is ready to take on morning brews or microbrews, keeping beverages cold for up to 24 hours and hot up to 6 hours. The new...

    £26.99
  • Hydro Flask 21 oz Standard Mouth with Flex Cap Hydro Flask 21 oz Standard Mouth with Flex Cap

    Hydro Flask

    21 oz Standard Mouth with Flex Cap

    Weighs
    336g
    Weighs:
    336g
    Hydration Capacity:
    0.5-1.0L

    A classic, effective and versatile flask. This is surprisingly lightweight for the size and the TempShield design keeps drinks hot (or cold) for a good amount of time. Perfect for long days out.   Hydro Flask says Keep life moving with our…

    £32.99
  • Hydro Flask 16 oz Coffee with Flex Sip Lid Hydro Flask 16 oz Coffee with Flex Sip Lid

    Hydro Flask

    16 oz Coffee with Flex Sip Lid

    Weighs
    340g
    Eco Initiatives:
    BPA Free
    Weighs:
    340g
    Hydration Capacity:
    <0.5L

    A versatile flask that makes carrying and drinking your favourite hot or cold drinks a breeze. Well designed, well made, durable and practical, what's not to love? Hydro Flask says Whether your first sip is in the kitchen, car, or campsite, the 16 o…

    £29.99
  • Hydro Flask 20 oz Wide Mouth with Flex Cap Hydro Flask 20 oz Wide Mouth with Flex Cap

    Hydro Flask

    20 oz Wide Mouth with Flex Cap

    Weighs
    352g
    Weighs:
    352g
    Hydration Capacity:
    0.5-1.0L

    A classic, effective and versatile flask. This is surprisingly lightweight for the size and the TempShield design keeps drinks hot (or cold) for a good amount of time. Perfect for long days out.   Hydro Flask says Perfect for morning hikes…

    £34.99
  • Hydro Flask 32 oz Lightweight Wide Mouth Trail Series Hydro Flask 32 oz Lightweight Wide Mouth Trail Series

    Hydro Flask

    32 oz Lightweight Wide Mouth Trail Series

    Weighs
    354g
    Eco Initiatives:
    BPA Free
    Weighs:
    354g
    Hydration Capacity:
    0.5-1.0L

    For a simple, effective large capacity flask look no further. This is surprisingly lightweight for the size and it keeps hot (or cold) for a good amount of time. Perfect for long day trips.   Hydro Flask says Generously sized for your longer...

    £49.99

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.