Hydro Flask 40 oz. Wide Mouth w/ Flex Cap- Rain

TempShield™

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 flavor transfer - and the durable construction stands up for whatever life brings.

Color Last™ Powder Coat

Our proprietary powder coat is dishwasher safe, and your bottle stays slip-free and colorful, no matter where you take it.

Product Benefits

- Large insulated water bottle for longer adventures

- Fits most backcountry hydration filters

- 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

- Our Wide Mouth refresh features a stainless-steel collar and curved radius at the bottom edge for an updated look

- BPA-Free and Phthalate-Free

- Dishwasher safe

- Compatible with our Hydro Flip™ Lid and Wide Mouth Straw Lid

- Registered trademark symbol has been removed from logo and wordmark

- Lifetime Warranty