Hydro Flask 1.89 L (64 oz) Wide Mouth Water Bottle – Capri Blue, Insulated Stainless Steel with Flex Straw

Hydro Flask 64 oz Wide Mouth Bottle with Flex Straw Cap is a double-wall insulated stainless steel water bottle designed to keep cold drinks chilled up to 24 hours while offering a leakproof, closeable straw and a flexible carry handle.

This 64-ounce Hydro Flask in Capri Blue is the brand's largest straw-equipped bottle, built for long outings, long workdays, or anywhere you need a high-capacity reusable drink container. It combines TempShield® vacuum insulation with pro-grade stainless steel construction so beverages stay tasting fresh and ice fits easily through the wide mouth. The Flex Straw Cap closes securely to reduce spills and includes a soft, comfortable handle for on-the-go carrying.

How cold will drinks stay in this 64 oz Hydro Flask?

The bottle uses TempShield double-wall vacuum insulation to significantly slow heat transfer, keeping cold beverages chilled for up to 24 hours under typical conditions. Insulation performance depends on ambient temperature, how often the bottle is opened, and whether ice is used.

• TempShield double-wall vacuum insulation retains cold for long periods.
• Wide-mouth design accepts full-size ice cubes for extended cooling.
• Stainless steel interior prevents flavor transfer so drinks taste fresh.

Is the Flex Straw Cap leakproof and easy to use?

The Flex Straw Cap seals when closed to help prevent leaks, and its flexible loop handle makes one-handed carrying and opening simple. The cap is intended for cold beverages only and should be secured shut before tossing the bottle into a bag.

• Closeable straw mechanism clicks shut for leak resistance.
• Soft, flexible handle for comfortable transport and attachment to straps.
• Designed for cold drinks; not for hot liquids or pressurized contents.

How do I clean and maintain the Hydro Flask 64 oz bottle?

The bottle and disassembled straw lid are dishwasher safe, making routine cleaning straightforward. For best results, rinse after use and let components dry fully; the stainless steel interior resists odors and flavor carryover.

• Dishwasher-safe bottle and removable lid parts for easy cleaning.
• Stainless steel construction resists retained flavors and odors.
• Hand washing recommended for longevity if you prefer gentler care.

Which lids and accessories fit this Wide Mouth bottle?

The 64 oz Wide Mouth neck accepts any Hydro Flask Wide Mouth cap and lid family, so you can swap the Flex Straw Cap for other Hydro Flask caps to match activities or beverage types. Lids are sold separately and provide flexible options for sipping, chugging, or hot-beverage use when appropriate.

• Compatible with Hydro Flask Wide Mouth lids including Flex Chug and Flex Sip options.
• Interchangeability lets you change caps for sports or coffee use (hot-cap caution applies).
• Accessories such as carriers and insulated sleeves are commonly available from Hydro Flask.

Who is this bottle for? The 64 oz Hydro Flask with Flex Straw Cap suits people who need a high-capacity, durable water bottle for long days—hikers, shift workers, gym-goers, parents, or anyone wanting to minimize refills. If you prefer a straw for easy sipping, want reliable cold retention, and like the convenience of dishwasher cleaning plus the option to swap lids, this bottle is designed to meet those needs while keeping a clean taste and vibrant Capri Blue finish.