Hydro Flask 40oz Wide Mouth Insulated Stainless Water Bottle with Flex Straw Lid
🔥 #52 in Insulated Water Bottles · New The insulated everyday standard
Hydro Flask 32oz Wide Mouth Stainless Steel Bottle with Straw Lid—Indigo
Hydro Flask 3.9
#52
in Insulated Water Bottles
$37.50 →
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
Material18/8 Stainless Steel, Double-Wall Vacuum
Capacity32 oz
Cold RetentionDouble-wall vacuum (24h cold, 12h hot)
The Hydro Flask 32oz Wide Mouth Stainless Steel Water Bottle is a category-defining insulated everyday carry with double-wall vacuum insulation that keeps drinks cold for 24+ hours and hot for 12 hours. The wide straw lid offers a versatile sip-or-swig experience with a reliable seal. Built from durable 18/8 stainless steel, it resists dents and chips well, though the lid and straw require regular cleaning to prevent mold. At 32oz, it's sized for all-day hydration without being unwieldy. Currently discounted to $37.50 (17% off), it represents solid value for premium insulation. Best for: daily commuters, fitness enthusiasts, and outdoor users who prioritize temperature retention and brand recognition over ultralight weight.
02 / Signals
Why it's hot
Category icon—proven insulation, iconic design, 24h cold-retention.
- Value for money 82
- Review rating & velocity 94
- Community sentiment 96
- Brand reputation 100
- Search heat 87
- Est. return & defect rate 92
03 / Verdict
Pros & cons
Pros
- Keeps cold 24+ hours, hot 12+ hours
- Truly leak-proof wide-mouth seal
- Wide-mouth straw easy to fill and drink from
- Durable stainless steel resists dents
- Brand trusted in hydration communities
- Versatile sip-or-swig wide lid
Cons
- Straw and lid can trap mold if not cleaned promptly
- Heavier than plastic alternatives when full
- Paint can chip with heavy use
- Wide mouth doesn't fit all cup holders
- Pricier than basic reusable bottles
Material18/8 Stainless Steel, Double-Wall Vacuum
Capacity32 oz
Cold RetentionDouble-wall vacuum (24h cold, 12h hot)
Lid Spout TypeWide Mouth Straw Lid
Leak ProofYes, sealed lock
Cold Retention24+ hours
Hot Retention12 hours
Dimensions~2.7 in diameter, 9.7 in height
Weight~1.2 lbs (32oz empty)
Fits Cup HolderNo (wide-mouth design)
Dishwasher SafeLid and straw hand-wash recommended
Bpa FreeYes
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
#32 in Insulated Water Bottles
Hydro Flask 24oz Wide Mouth Water Bottle with Flex Straw Cap
24 Oz · White
#33 in Insulated Water Bottles
Hydro Flask 32oz Wide Mouth Straw Lid Insulated Water Bottle
#40 in Insulated Water Bottles
Hydro Flask 40oz Wide Mouth Straw Lid Insulated Water Bottle — White
40 Oz · White
#44 in Insulated Water Bottles
Hydro Flask 40oz Wide Mouth with Flex Straw Lid (Surf Blue)
#50 in Insulated Water Bottles
Hydro Flask 24oz Wide Mouth Water Bottle with Straw Lid (Indigo)
24 Oz · Indigo
#54 in Insulated Water Bottles
Hydro Flask 32oz Wide Mouth Straw Lid Insulated Water Bottle (Black)
32 Oz · Black
#65 in Insulated Water Bottles
Hydro Flask 24oz Wide Mouth Insulated Water Bottle with Straw Lid
24 Oz · Black
#81 in Insulated Water Bottles
Hydro Flask 40oz Wide Mouth Insulated Water Bottle in Indigo
#82 in Insulated Water Bottles
Hydro Flask 40oz Wide Mouth Bottle with Straw Lid – Insulated Stainless Steel in Lupine
40 Oz · Lupine
#84 in Insulated Water Bottles
Hydro Flask 40oz Wide Mouth Flex Straw Bottle, Camellia
40 Oz · Camellia
#86 in Insulated Water Bottles
Hydro Flask 40oz Wide Mouth Stainless Steel Water Bottle with Straw Lid
40 Oz · Black
#87 in Insulated Water Bottles
Hydro Flask 32oz Wide Mouth Insulated Water Bottle with Flex Straw Lid
32 Oz · White
#92 in Insulated Water Bottles
08 / Browse
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09 / Explore
