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SIGG Thermal Bottle 1.0 Liter

rated 5.0 of 5 stars

The Thermal Bottle 1.0 Liter has been discontinued. If you're looking for something new, check out the best thermoses for 2024.

photo: SIGG Thermal Bottle 1.0 Liter thermos
Version reviewed: 1L

Have my 1L for about 10 years now and it still hold hot warm drinks for 24 hours, if you pre-warm it. Best for backpacking, mountaineering in cold weather.


  • Maintains hot water for 24 hours
  • Rugged
  • Light
  • Reliable


  • Doesn't have gasket as spare parts
  • Discontinued

This 1L bottle weighs 522g being lighter than many other brands. It had a round bullet shape, that fits easily in inside backpacks without damaging plastic bags inside. Mine was made before the "Steelworks" sub brand, so I though it was made is Switzerland. Haven't had  any problems inside it, such as ruptured liner, rust, etc. Used daily, as we drink a lot of chimarrão down here.

Unfortunately, I discovered it was discontinued (for a new and less functional design, where the cup fits the bottom of the bottle, contacting dirty) and Sigg doesn't have a gasket as replacement part. :0( 

If an item became useless because of a gasket, defect, unreliability etc, it's time to think about planned obsolescence and its environmental consequences when choosing a brand.




Source: bought it new
Price Paid: so long time ago...can't remember

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