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Hydrapak Softflask

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What we think

When we aren't thinking about the latest and greatest in sports nutrition, we are thinking about gear and Hydrapak has our back with their fantastic products.  These Softflasks scream functional design and all the utility you could ask for whilst on the run.  These are the "go-to" bottle for runners and we never take off on a run without these in our hands.

This essential equipment is made for every runner or adventurer and the Softflask series flattens for maximum room in your hydration gear bag or in your hand while grinding out an effort.  Expands for use on the trail or when on the go.  Hydrapak calls it construction with purpose.  We couldn't agree more!  Did we mention that they come with a "Beyond Lifetime Guarantee"!

Here are some of the great features:

  • The ideal hand-held solution for running or fast packing
  • Soft material conforms to your hand and the webbing handle provides a comfortable carrying experience
  • Flexible design shrinks as you drink, reducing water movement on the run
  • High-flow bite valve auto-seals after each sip and includes a twist locking cap for added security
  • Large 42mm opening on the 500ml bottle and 28mm opening on the 250ml bottle makes it easy to fill with ice or nutrition mixes
  • Made of ultra-durable, abrasion resistant TPU & RF welded seams for superior durability and elasticity
  • Wide working temperature range (can be frozen - max temp 60° C / 140° F)
  • Safe and reliable, 100% BPA & PVC free


    Questions & Answers

    Reviews for Hydrapak Softflask

    Customer Reviews
    4.5 Based on 48 Reviews
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    • plastic taste
    • lock
    • twist
    • Great bite valve
    • lightness
    • waistband
    • Squishy
    • caps
    • opening
    • bike block style
    Steven N.
    I recommend this product
    No leaks!

    Great water bottle for my run. "Squishy". Fits well tucked in my waistband. Easily held due to lightness and conforms to my hand as it shrinks as you drink and becomes more "squishy". Cool. No bad plastic taste. Great bite valve and twist cap for an extra lock when not using. No leaks!

    Jorge P.

    Coming from someone who hates carrying things while running, this is perfect. With water fountains turned off due to COVID, I had to get used to bringing my own water. I have a running belt with the small water bottles, which worked fine until the summer heat came, and those just don't have enough volume to get me through longer runs. This bottle is great - it shrinks as you drink, so there's no sloshing around. It's easy to carry and not bulky (though note that the larger bottle doesn't have the hand strap, only the smaller one). Unlike other reviews, I didn't notice any strange taste due to the material. I've used it for about 10 runs now and would definitely recommend.

    Denise K.

    I've never ran with a water bottle before and always relied on water fountains around town (schools, parks, etc.) but recently I've found they're all turned off due to covid so I bought this bottle for long runs. I found it easy to carry and enjoyed that it collapsed as I drank so that it wouldn't slosh around. I switched the hand every 4 miles and it worked out well. I'll likely get a second bottle to consider carrying at marathons.

    Clinton A.

    Everything I expected! It fits nicely in the hand for long runs and the flow is excellent.

    Anthony N.

    I find myself wanting water on longer runs. That's where this comes in. I'll be honest, I hated carrying this for 10 miles this last run but at the same time, it was much less of a problem than I thought it would be.

    Russell A.

    I throw this collapsible bottle in my backpack as I travel weekly for work. I love the space saving design. The bite valve is also really well designed, and allows for a lot of water flow. It also feels great in your hand when running, and is very easy to grip because of the soft sides

    Jim T.

    I'm not a biker or a runner, but I am a walker. I like to walk for a few miles daily (or when I can)> I usually take a bottle of water with me. When I finish the bottle I usually have to carry the bottle with me until I can dispose of it. I wish I could just put it in my pocket, but the bottles are usually too big or uncomfortable against my leg. The Hydrapak SF500 solves that prolem. It's made of a soft material that flattens as it empties. Once empty, easy to get in my pocket without any bulk to bother me. Holds a good amount of water (16oz-ish) and hasn't leaked on me at all.

    Gloria S.

    This is an interesting water bottle, I mean Hydrapak. I like it while running or during a game. While running, as it gets smaller, it makes it a lot easier to hold and during a game, it can be used to both spray oneself or one's teammates. It's just a win-win.