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Hydro Flask- 21 OZ Standard Mouth Flask

Item #: 19HYDSFLASK
Their Price: $27.99
Rock Bottom Price: $25.19
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The standard mouth is ideal for coffee, teas, mixing sport drinks, all while perfectly fitting in most bicycle cages and car cup ho Read More
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About This Item

  • Manufacturer: Hydro Flask
  • Model: 21 OZ Standard Flask
  • SKU: 19HYDSFLASK
  • Condition: NEW, FACTORY SEALED
  • Color: See DropDown
  • New to the golf lingo?
    Check out the Golf Glossary

The standard mouth is ideal for coffee, teas, mixing sport drinks, all while perfectly fitting in most bicycle cages and car cup holders.

Features:

  • Double Wall Vacuum Insulated
  • Keeps drinks cold for up to 24 hours
  • Keeps drinks hot for up to 12 hours
  • BPA Free
  • Lifetime Warranty
  • Product Reviews

    Hydro Flask- 21 OZ Standard Mouth Flask
    $25.19
    5 Stars based on 8 Review(s)
    jim
    piscataway, nj
    4 Stars
    I would recommend this item to a friend.

    flask for the course
    November 19, 2014
    Used to keep manhatans on the course worked great
    Pros:
    This is a great flask, keeps things cold
    Cons:
    More like a thermos than a flask

    Mike
    Costa Mesa, CA
    5 Stars
    I would recommend this item to a friend.

    Awesome Water Bottle
    October 24, 2014
    Keeps your drink cooler or hotter than any other bottle I've used so far. Left this in my hot car all day with ice and it was still cold when I came back.
    Pros:
    Keeps your drink for a very long time
    Cons:
    Wish the top wasn't a screw top and came with a flip cap so you could drink from it with one hand instead of having to screw the cap off and then back on each time you want to take a sip.

    Jamil
    Alameda,California
    5 Stars
    I would recommend this item to a friend.

    Holds the cold
    May 12, 2014
    You can add a few ice cubes, leave it in your car for a couple hours and come back to cold water! Plus, the price was 40% of what I've paid for one at REI.

    SAM
    AUSTRALIA
    5 Stars
    I would recommend this item to a friend.

    GREAT FLASK
    November 28, 2013
    LOOKS GOOD AND PERFECT SIZE.

    DJH
    Australia
    5 Stars
    I would recommend this item to a friend.

    Works a treat
    November 18, 2013
    Works just as described.

    kurt
    Miami, Florida
    5 Stars
    I would recommend this item to a friend.

    Hydro flask review
    July 14, 2013
    I am enjoying using this flask when I leave the house for a few hours.
    Pros:
    It really keeps my cold drinks for a very long time.
    Cons:
    There is no straw built into the cover. I have to unscrew the entire cap in order to have a drink

    Drew
    La Plata, MD
    5 Stars
    I would recommend this item to a friend.

    Hydro Flask
    March 24, 2013
    One of the best insulated water bottles you can find. I have a couple different sizes that I love to use on the golf course. It could be 90 degrees outside and your beverage will stay cold for 18 holes. I wish they had an insulated sport drink lid...one day.
    Pros:
    Beverage stays cold all day Does not sweat

    Phil
    Qld Australia
    5 Stars
    I would recommend this item to a friend.

    Great flask
    March 10, 2013
    My second one of these so I can carry enough ice water in my golf bag to cope with most extreme days. Insulation is really good, drinks stay icy for more than 6 hours.
    Pros:
    Great insulation and light weight, neck big enought for reasonable size ice cubes
    Cons:
    nil



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