21 oz Standard Mouth Bottle

Hydro Flask
$34.95 $34.95
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Hydro Flask 21 oz Standard Mouth Bottle:

21oz is the perfect go-anywhere companion on your busiest days. It stashes easily in a small shoulder bag, your pack's side pocket or your car cup holder, and holds enough to keep you going for hours without weighing you down. The 21 oz Standard Mouth is one of Hydro Flask's best-selling vacuum insulated water bottles because of it's size and versatility.

  • Easy to Transport
  • Versatile, middle-of-the-road size
  • TempShield Protected
  • Keeps cold up to 24 hours
  • Keeps hot up to 12 hours
  • 18/8 Pro Grade Stainless Steel 
  • BPA-Free and Phthalate-Free
  • Durable, sweat-free powder coat finish (or our Stainless option)
  • Lifetime Warranty
  • Compatible with Standard Mouth Insulated Sport Cap
Technical Specifications:
  • Volume: 621 ml 
  • Diameter: 2.81" 
  • Height: 9.4" 
  • Weight: 11.3oz