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Klean Kanteen TKWide 32 oz
#3 Overall insulated Updated 1 June 2026

Klean Kanteen TKWide 32 oz

The eco-conscious choice — recycled steel, clean taste, modular lids

THE undig SCORE — 3 SOURCES, UNTANGLED
86
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

  • Made from 90% post-consumer recycled 18/8 stainless steel
  • Climate Lock insulation — 40 hrs cold, 14 hrs hot
  • Electropolished interior for clean taste
  • Compatible with all TKWide lids including straw and café cap

Our take

The most eco-friendly insulated bottle on the market. Insulation performance slightly edges out Hydro Flask on paper, and the recycled steel construction appeals to sustainability-minded buyers.

Pros & Cons

Pros

  • + Industry-leading use of recycled materials
  • + Excellent insulation — slightly better spec than Hydro Flask
  • + No metallic taste thanks to electropolished interior
  • + B Corp certified brand

Cons

  • Twist Cap can be fiddly with one hand
  • Some users report minor leaking with certain lids
  • Fewer colour options than Hydro Flask

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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