Hydro Flask Insulated Stainless Steel Water Bottle 24 oz Black, Straw Lid Leakproof for Women & Men Outdoors

Hydro Flask's 24 oz insulated stainless-steel bottle with the leakproof Flex Straw Cap is a portable, cupholder-friendly water bottle built to keep drinks cold for up to 24 hours and to sip easily on the move.

This 24-ounce Standard Mouth Hydro Flask combines TempShield double-wall vacuum insulation with a straw lid engineered to close securely, offering cold retention for long days and one-handed sipping when you need it. Finished in black, the lightweight yet durable bottle resists flavor transfer and fits most car cupholders, gym equipment, and backpack pockets. The Flex Straw Cap flips open for a convenient straw and seals closed to prevent spills while traveling.

How long will cold drinks stay chilled in this bottle?

The Hydro Flask uses TempShield double-wall vacuum insulation to keep cold beverages chilled for up to 24 hours. Insulation minimizes temperature transfer from the outside environment, so drinks stay refreshing through a full workday or hike.

• Double-wall vacuum insulation for extended cold retention.
• 24 hours cold performance under typical daily use.
• Stainless-steel construction resists heat transfer and condensation.

Is the Flex Straw Cap really leakproof and easy to clean?

The Flex Straw Cap closes securely to prevent leaks and opens to an easy-sip straw for one-handed use. Both lid and bottle are dishwasher safe once disassembled, making maintenance straightforward after workouts or outdoor adventures.

• Leakproof when the cap is closed—safe to toss in a bag.
• Straw design enables quick sipping without tilting the bottle.
• Removable pieces are dishwasher safe for hygienic cleaning.

Will this bottle fit in my car cupholder and backpack?

The 24 oz Standard Mouth profile was designed to be cupholder-friendly and to nest comfortably in most backpack side pockets. Its slender shape balances stability with capacity, so it rides securely in vehicles and on the trail without taking up excessive space.

• Standard Mouth sizing fits most cupholders and bottle cages.
• Compact 24 oz capacity balances weight and hydration needs.
• Durable exterior tolerates daily knocks and outdoor use.

Does the bottle affect taste or hold previous flavors?

Made from pro-grade stainless steel, the bottle resists flavor transfer so each fill tastes fresh. The smooth interior finish and dishwasher-safe design help eliminate lingering tastes from prior beverages.

• Pro-grade stainless-steel interior prevents metallic or residual flavors.
• Dishwasher-safe parts reduce buildup that can trap flavors.
• Easy-to-rinse straw components maintain a pure taste experience.

Who is this for: The Hydro Flask 24 oz with Flex Straw Cap is ideal for commuters, students, gym-goers, parents, and outdoor enthusiasts who want reliable cold retention, one-handed sipping, and a true leakproof option for bags and cupholders. Choose this bottle if you need everyday durability, a clean taste, and a convenient straw lid for active routines.