Hydro Flask 21 oz - Standard Flex Cap
Keep life moving with our 21 oz bottle and Standard Flex Cap. It stashes easily into a small shoulder bag, your pack’s side pocket, or your car cup holder and holds enough ice cold goodness to keep you going for hours without weighing you down. No wonder it's one of our bestselling water bottles.
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.
Made with 18/8 pro-grade stainless steel to ensure pure taste and no flavor transfer - and the durable construction stands up for whatever life brings
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
- 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 Standard Mouth Insulated Sport Cap
- Lifetime Warranty
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