Hydro Flask 21 oz Standard Mouth w/ Standard Flex Cap
Your trusty adventure companion keeps drinks ice-cold for 24 hours or piping hot for 12. Leakproof, cup-holder friendly, and built tough for every trail ahead.
Whether you're crushing that morning hike or powering through a marathon workday, the Hydro Flask 21 oz Standard Mouth keeps your drinks at the perfect temperature from sunrise to sunset. This vacuum insulated stainless steel bottle leverages TempShield double-wall technology to lock in cold for 24 hours or heat for 12 hours, while the leakproof Flex Cap with honeycomb insulation ensures every sip is as refreshing as the first. Built with pro-grade 18/8 stainless steel and a sweat-free powder coat finish, it fits seamlessly into cup holders and backpacks alike, making it your reliable hydration companion for outdoor adventures, daily commutes, and everything in between.
Features
TempShield double-wall vacuum insulation technology maintains beverage temperature without exterior condensation
Leakproof Flex Cap with honeycomb insulation prevents spills while maintaining temperature integrity
Pro-grade stainless steel construction ensures durability and pure taste with no flavor transfer
Cup holder compatible design for convenient car travel and easy transport
Color Last powder coat finish provides sweat-free grip and long-lasting appearance
Standard mouth opening optimized for comfortable drinking and easy cleaning
Dishwasher safe construction for effortless maintenance
Specification
Value
Capacity
21 oz (621 ml)
Cold Retention
24 hours
Hot Retention
12 hours
Fit
Cup holder compatible
Materials
18/8 pro-grade stainless steel body | Color Last powder coat finish | BPA-free materials | Honeycomb insulated cap
