Hydro Flask Standard Mouth 709ml
(27 reviews)
The Hydro Flask Standard Mouth, America's benchmark insulated bottle, keeps water cold for 24 hours thanks to its TempShield technology.
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Key features
- Capacity: 709 ml
- Material: Stainless steel, powder coating
- TempShield technology, leakproof Flex Cap
In detail: Hydro Flask Standard Mouth Insulated Water Bottle 709ml
The Hydro Flask Standard Mouth 709ml embodies the American benchmark for insulated bottles, a brand that has become synonymous with the category since its launch in 2009. Its TempShield technology, a double-wall vacuum insulation, keeps drinks cold for up to 24 hours and hot for up to 12, while preventing outer condensation and heat transfer out of the bottle.
Its 18/8 stainless steel construction, paired with a scratch-resistant powder coating, aims for all-round toughness: drops, knocks, intensive sports use. The leakproof Flex Cap, compatible with several interchangeable lid types (straw, handle, sport), rounds out the package.
The standard opening, narrower than the wide mouth version, works particularly well for everyday use with straw or handle lids, without compromising on watertightness. The 709ml (24oz) size remains one of the most versatile in the Hydro Flask range, neither too large nor too small.
Hydro Flask continues to get excellent feedback from buyers, backed by worldwide brand recognition built over years of customer loyalty and an active resale market that speaks to its perceived durability.
Technical data
Detailed characteristics
Performance
| Cold retention?How long the container keeps its contents cold. | 24 hours |
|---|---|
| Heat retention?How long the container keeps its contents hot. | 12 hours |
Dimensions and material
| Capacity?Usable volume of the container, in litres. | 709 ml |
|---|---|
| Material?Main material used to make the container. | 18/8 stainless steel, powder coating, BPA-free |
| Dimensions?Width, depth and height of the container (W x D x H). | 29 x 124 mm (diameter x height) |
Additional information
| Configuration | Standard opening, leakproof Flex Cap |
|---|
Frequently asked questions: Hydro Flask Standard Mouth Insulated Water Bottle 709ml
TempShield refers to the double-wall vacuum insulation Hydro Flask uses, which keeps drinks cold for up to 24 hours and hot for up to 12, while preventing outer condensation and heat transfer.
The narrower Standard Mouth suits straw or handle lids best for everyday use, while the Wide Mouth makes it easier to add ice cubes or use a wider straw lid.
Yes, the Hydro Flask range offers several compatible lids (Flex Cap, Straw Lid, Flex Boot) depending on the bottle's opening, letting you adapt the bottle to different uses without replacing it.
Yes, its sturdy stainless steel build and compact size make it a common choice for hiking, cycling or the gym, where its knock resistance and relative lightness are appreciated.
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Page published on 2 August 2026