Keep life moving with Hydro Flask's 21oz. 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.
Pro-Grade Stainless Steel
- 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.
Proprietary Powder Coat
- 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