Hydro Flask

21oz Standard Mouth Bottle

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Find ice wherever adventure finds you. In today’s bustling world, it’s important to stay hydrated. Whether you need to transport sports drinks, smoothies, coffee or the ever-popular H2O, this bottle has become one of our best-selling for its versatility, transportability and refreshability

Product Details

Hydro Flask bottles were developed to not only withstand the toughest environments, but excel in them as well. Each bottle features double wall vacuum insulated, food grade, 18/8 stainless steel. The tech is BPA free, resistant to bacteria and odors, and keeps hot contents hot for 6 hours and cold contents cold for a full 24. Here’s another great trick: The bottle resists condensation, and doesn’t sweat and soak the rest of your belongings.

Don’t accept any knock offs. At the neck of every Narrow Mouth and Standard Mouth Hydro Flask is the iconic silver ring, so you know you’re using the very best in portable hydration bottles.


  • TempShield Protected 
  • Keeps cold up to 24 hours 
  • Keeps hot up to 6 hours 
  • 18/8 Pro Grade Stainless Steel 
  • BPA-Free 
  • Durable, sweat-free powder coat finish (or our Classic Stainless option) 
  • Lifetime Warranty 
  • Compatible with Standard Loop Cap and Sport Cap