Looking for a vacuum flask that can withstand mountain conditions and extreme weather? The Thermos Mountain FFX is a lightweight stainless steel vacuum flask with a cup and a capacity of 500 ml. It has vacuum insulation, a double stopper and compact dimensions, so it fits easily into a rucksack.
- High insulation performance
Double-wall vacuum insulation and a narrow 36 mm neck keep drinks hot or cold for up to 24 hours. After 6 hours, the drink is still above 77 °C (starting temperature 95 °C, ambient temperature 20 °C). - Easy to use even with gloves on
Simply loosen the double stopper by half a turn to pour. The non-slip ring and shaped cup make it easier to open, even when wearing thick gloves.
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Flask weight |
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High insulation performance |
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Non-slip flask cup |
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Non-slip ring |
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Double flask stopper |
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Flask base protection |
- Very lightweight
- Durable stainless steel
- Silicone base protector
- Non-slip cup
- Watertight removable stopper
Specifications:
Product type: vacuum flask with cup
Capacity: 500 ml
Height: 235 mm
Diameter: 70 mm
Neck diameter: 36 mm
Weight: 280 g (260 g without the non-slip ring and protective
base cover)
Keeps hot: 24 hours
Keeps cold: 24 hours
Material: stainless steel
BPA-free
Before the Thermos brand became famous, it was just an idea. Ambition. A scientific feat that turned into a breakthrough innovation in the home. In 1904, Thermos was the first company to develop consumer products using vacuum insulation. The origin of the company's name can be found in the Greek language, where one of the meanings of the word "therme" is "hot". The company name THERMOS became the basis for the common name of the insulating bottles - thermoses.
With our durable double wall stainless steel vacuum insulation technology, you're sure to find a product that fits your lifestyle while providing superior performance with exceptional durability.











