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A little more hydration lets you have a little more fun.


From mountain trailheads to morning yoga practice, our 21 oz Standard Mouth bottle is just the right size for staying hydrated before, during, and after activity. Our largest Standard Mouth available uses TempShield™ double wall vacuum insulation to keep your water refreshingly ice cold for up to 24 hours. Plus, it resists condensation, so the sides of your bottle stay dry.

  • Versatile, middle-of-the-road size

  • TempShieldTM insulation eliminates condensation and keeps beverages cold up to 24 hours and hot up to 12 hours

  • Durable 18/8 Pro-Grade Stainless Steel construction

  • BPA-Free and Phthalate-Free

  • Compatible with Standard Mouth Insulated Sport Cap

  • Lifetime Warranty


Volume: 621 mL

Mouth Diameter: 1.91"

Diameter: 2.87"

Height: 9.4"

Weight: 11.3 oz

Hydro Flask 21oz standard mouth bottle

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