Hydro Flask 40oz Wide Mouth Insulated Stainless Water Bottle with Flex Straw Lid
🔥 #40 in Insulated Water Bottles · New The iconic insulated straw bottle—trusted, sealed, always cold.
Hydro Flask 32oz Wide Mouth Straw Lid Insulated Water Bottle
Hydro Flask 3.9
#40
in Insulated Water Bottles
$21.98 →
As of Jul 8, 2026
AI-estimated. See how we score. How we score Affiliate link — we may earn a commission
01 / Spec
Top features
MaterialPro-grade stainless steel
Capacity32 oz
Cold RetentionDouble-wall vacuum (TempShield)
The Hydro Flask 32oz Wide Mouth Straw Lid is a premium insulated water bottle built from pro-grade stainless steel with double-wall vacuum insulation that keeps drinks cold for up to 24 hours. The Flex Straw Cap is fully leakproof when closed, features a flexible handle, and combines sip-and-swig versatility.
Material & Insulation: Durable stainless steel with TempShield double-wall vacuum insulation; no taste transfer, BPA-free.
Spout: Closeable flex straw cap—easy to open/close, leakproof when shut.
Cleaning: Fully dishwasher-safe (dissasemble the lid first); simple tear-down for thorough rinsing.
Who it's for: All-day hydration enthusiasts who value proven insulation, a trustworthy seal, and a recognizable brand. Works well in bags, cars, and at the desk. Heavier than plastic alternatives, but durability and temperature control justify the weight for serious everyday-carry users.
02 / Signals
Why it's hot
Proven insulation, leak-proof straw cap, dishwasher-safe, lifetime warranty.
- Value for money 87
- Review rating & velocity 94
- Community sentiment 96
- Brand reputation 100
- Search heat 82
- Est. return & defect rate 92
03 / Verdict
Pros & cons
Pros
- Truly leak-proof Flex Straw Cap
- Cold retention up to 24 hours
- Durable pro-grade stainless steel
- Dishwasher-safe with simple tear-down
- Lifetime warranty
- No taste transfer, BPA-free
- Comfortable flexible handle
Cons
- Heavier than plastic alternatives
- Does not fit standard cup holders
- Straw can be fiddly to deep-clean
- Premium price point ($40+)
MaterialPro-grade stainless steel
Capacity32 oz
Cold RetentionDouble-wall vacuum (TempShield)
Lid Spout TypeFlex Straw Cap (closeable)
Leak ProofYes (when cap closed)
Cold RetentionUp to 24 hours
Dimensions5.75" W × 9" H × 5.75" D
Weight~1.23 lbs
Fits Cup HolderNo
Dishwasher SafeYes (lid disassemble required)
Bpa FreeYes
WarrantyLifetime
05 / Your take
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05 / Compare
Compare the best alternative
One useful head-to-head in Insulated Water Bottles, with the rows most likely to separate the contenders.
Open full comparison → 
Owala FreeSip Sway 40oz Insulated Tumbler
Cold Retention (hr)
Double-wall vacuum, 24h cold Coldest longest 24-hour ice retention
Capacity (oz)
40oz single size, good for all-day Largest 40oz single size
Spout & Lid Design
Flex straw sips easily, straightforward Unique dual-sip FreeSip, cup-holder fit
06 / Rivals
Compare with
07 / Variations
Other colors & sizes
Top pick
Hydro Flask 40oz Wide Mouth Insulated Stainless Water Bottle with Flex Straw Lid
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Hydro Flask 24oz Wide Mouth Water Bottle with Flex Straw Cap
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Hydro Flask 40oz Wide Mouth Straw Lid Insulated Water Bottle — White
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Hydro Flask 32oz Wide Mouth Stainless Steel Bottle with Straw Lid—Indigo
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Hydro Flask 32oz Wide Mouth Straw Lid Insulated Water Bottle (Black)
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Hydro Flask 24oz Wide Mouth Insulated Water Bottle with Straw Lid
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Hydro Flask 40oz Wide Mouth Insulated Water Bottle in Indigo
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Hydro Flask 40oz Wide Mouth Bottle with Straw Lid – Insulated Stainless Steel in Lupine
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Hydro Flask 40oz Wide Mouth Flex Straw Bottle, Camellia
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Hydro Flask 40oz Wide Mouth Stainless Steel Water Bottle with Straw Lid
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Hydro Flask 32oz Wide Mouth Insulated Water Bottle with Flex Straw Lid
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08 / Browse
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09 / Explore
