HydroFlask 21oz Standard Mouth Bottle with Sport Cap

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Our unique double-wall vacuum insulation protects temperature for hours. Cold drinks stay icy cold and hot drinks stay piping hot so you can stay refreshed for any adventure.
Pro-Grade Stainless Steel
Made with 18/8 pro-grade stainless steel to ensure pure taste and no flavour transfer - and the durable construction stands up for whatever life brings.
Proprietary Powder Coat
Our proprietary powder coat means an easy-grip, sweat-free, and extra-durable bottle that you can take anywhere.
  • Versatile, middle-of-the-road size, equipped with our insulated Sport Cap
  • TempShield™ 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 our standard mouth flex cap
  • Lifetime Warranty
  • Sports Cap is not intended for use with hot liquids and is not leakproof
  • Volume: 21oz
  • Dimensions: 1.91'' (mouth diameter) x 2.87'' (diameter) x 10.4'' (height)