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Hydro Flask Wide Mouth 32 oz
#1 Overall insulated Updated 1 June 2026

Hydro Flask Wide Mouth 32 oz

The benchmark insulated bottle — leakproof, durable, keeps drinks cold all day

THE undig SCORE — 4 SOURCES, UNTANGLED
91
Out of 100

Key characteristics

Capacity
500–1200 ml
Insulation
Double-wall vacuum
Material
18/8 stainless steel
Weight
300–500 g
Cold retention
24+ hrs
Leakproof
Yes

Highlights

  • TempShield double-wall vacuum insulation — 24 hrs cold, 12 hrs hot
  • Leakproof Flex Cap with honeycomb design
  • 18/8 pro-grade stainless steel — no flavour transfer
  • Compatible with multiple Hydro Flask lid styles

Our take

Year after year, the Hydro Flask Wide Mouth tops review roundups. The insulation genuinely keeps ice for a full day, and the ecosystem of compatible lids adds flexibility.

Pros & Cons

Pros

  • + Best-in-class insulation performance
  • + Wide mouth fits ice cubes easily
  • + Powder coat finish resists scratches and sweat
  • + Huge range of colours and lid options

Cons

  • Heavy when full — 950 ml of water plus the bottle itself
  • Wide mouth can be tricky to drink from while walking
  • Dents if dropped on hard surfaces

Review sources

We aggregate scores from these sources. Each source is weighted by credibility tier. Clicking a source takes you to the full review.

How we score

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