![Sigg Thermo Flask Gemstone IBT](https://www.thegreatoutdoorsmag.com/wp-content/uploads/sites/15/2023/09/Sigg-Thermo-Flask-Gemstone-IBT.png?w=435&h=350&crop=1)
5th September 2023
Sigg Thermo Flask Gemstone IBT Review
The Sigg Thermo Flask Gemstone combines low weight and compact size to fit easily into my smaller rucksacks – useful when on my mountain bike. The bare polished stainless steel outer slips easily back into…