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Hydro Flask 21oz Standard Water Bottle with Sport Cap

Hydro Flask 21oz Standard Water Bottle with Sport Cap

Item # HYF001L

Select options
  • Select options
  • Pacific, One Size ($35.95)
  • Olive, One Size ($35.95)
  • Mint, One Size ($35.95)
  • Lava, One Size ($35.95)
  • Black, One Size ($35.95)
  • 100% Guaranteed Returns
  • Free 2-Day Shipping
    on orders over $50

Item # HYF001L


There's nothing standard about it.

A plastic water bottle is standard. Hydro Flask's Standard Water Bottle with Sport Cap's stainless steel construction is anything but standard. Grouped with TempShield insulation, the Standard Water Bottle assures a pure drinking experience whether you're drinking something hot for eight hours, or something cold for a full day. Hydro Flask coated this bottle in grippy, sweat-free powder, and the sport cap is ideal for running or hiking.

  • There's nothing standard about this water bottle
  • Stainless steel construction for a pure taste
  • TempShield insulation keeps drinks cold for a full day
  • Durable, sweat-free powder coating for a solid grip
  • Sport cap for performance-oriented activities

Tech Specs

18/8 stainless steel
sport cap
10.4 x 2.87in
Recommended Use:
casual, hiking, fitness
Manufacturer Warranty:

Reviews & Community


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  • Familiarity: I've put it through the wringer

Another Hydroflask... Keep coming back for more because they genuinely keep my water cold and don't sweat. Love the olive color.

The Perfect Water Bottle

  • Familiarity: I've used it several times

This water bottle is great for work or the gym. It can be used anywhere and keeps the water cold no matter the temperature. I left it in the car on a sunny day and it still stayed cold.

Life is better with Hydroflask

  • Familiarity: I've put it through the wringer

I love all things Hydroflask, but this little bottle is a perfect size and a cooler color. I bought the kiwi as a gift since I use my big daddy flask all day every day, and now I think I have a friend for life in the recipient. Hydroflasks maintain temperature, are durable like your ol' Uncle Charlie who just won't die, and are easy to clean. Big love.

Perfect for the gym

  • Familiarity: I've put it through the wringer

I love this hydroflask for the gym or short hiking trips. Keeps my water super cold and the ice in it will last for hours. Super convenient that you don't have to take off the lid overtime you need a drink.

Kid sized

  • Familiarity: I've used it several times

Always loved the larger 32Oz so we decided to get some of the smaller ones for niece and nephews. Can't go wrong with these.


  • Familiarity: I've put it through the wringer

Perfect HF for the gym or hiking or any other outdoor activity. Some of the larger sizes can be a bit heavy and cumbersome but this guy is perfect! Love the ease of the sport lid also.


    I have several for different occasions. This one tends to keep ice even longer because you don't open it up and let a bunch of hot air in every time you get a drink. I have filled this with ice water, left it in my car in the burning sun all day and not melted the ice. This thing is amazing!!!!

    If you have any questions about this bladder or any other gear shoot me an email at or give me a call at 801-523-4053

    Nothing But Love

    • Familiarity: I've put it through the wringer

    Nothing but love for this thing! Everyone needs to own a hydro flask, they are seriously the best! Whether your drink is hot or cold, this thing will keep it insulated all day long.

    Yet another great hydroflask

      So many different hydroflasks to choose from! This one is fantastic and fits great in cup holders and the lid is really nice and easy access to sipping that H2o

      Kid tested water approved

      • Familiarity: I've put it through the wringer

      I love my hydro flask its my favorite vessel for h20. It is also my 1-year-old son’s favorite tool for banging on the kitchen floor at 6am. As its metallic ring pierces through the sleeping household, I’m reminded how much I Love. My. Hydro Flask.