Woodlore — School of Wilderness Bushcraft

Thermos Urban Ultimate Steel Flask 0.8L

Thermos Urban Ultimate Steel Flask 0.8L

SKU: 000790
Brand: Thermos
  EAN 5010576847881
Weight: 390 g         12 reviews
The Thermos Urban Ultimate Flask is the lightest thermos flask we have ever seen, weighing in at just 384 g. Its sleek design has left out everything you don't need, resulting in a compact, no-nonsense stainless-steel flask that's still tough and functional.

Its Thermax double-walled insulation ensures maximum temperature retention for both hot and cold liquids for up to 24 hours. And, with its stainless-steel body, it is virtually unbreakable and dent resistant for ultimate durability.

The design of the flask allows for a large volume of liquid to be stored in a small bottle, keeping your rucksack free for the rest of your kit.

  • Weight: 384 g
  • Volume: 0.8 l
  • Virtually unbreakable, dent-resistant stainless steel body for ultimate performance
  • Light and compact design allows for easy transportation and storage
  • Thermax double walled vacuum insulation
  • Extreme temperature retention - keeps both hot and cold liquids for up to 24 hours
  • Protective silicon rings for extra durability
  • Specially designed cup for easy access even with gloves or mittens
  • Meets and exceeds EN12546-1:2000
  • 5 year guarantee


1-2 Day Delivery possible

  Delivery in 1-2 days (within UK)
  Orders placed before 2PM GMT will be dispatched the same working day
  Overseas delivery times will vary depending on the destination

Please note that our offices are closed on weekends, so any orders placed after 2PM GMT on Friday will not be dispatched until the following Monday.

Orders with a total value over £300.00 will be dispatched free via a next day delivery service within the UK at no extra cost.

Please note that in some instances, orders for heavy items may take an extra day to arrive.

For overseas deliveries, please refer to the following estimated delivery times:

  • Europe: 3 - 5 working days
  • Rest of the world: 5 - 7 working days


A full refund or exchange will be given provided that the items have not been worn or used, and are returned to us within 14 days of purchase, together with all relative labels and packaging.

Please ensure that you include a copy of your invoice, along with an explanation of why you have returned your goods. If you wish to return your goods for any reason, please do so to the following address:

Woodlore Limited
PO Box 3
East Sussex
TN19 7ZE
United Kingdom

Product Reviews

Thermos Urban Ultimate Steel Flask 0.8L is rated 5/5 based on 12 customer reviews

  1 of 12

  Excellent product and excellent service. Thanks for your help.  


Rated: 5/5

  2 of 12

  Excellent so far.  


Rated: 5/5

  3 of 12

  Excellent product and fast delivery time.  


Rated: 5/5

  4 of 12

  Best flask I have ever owned! I use it at home to keep hot water for my daughter's formula and have never had to reheat since.  


Rated: 5/5

  5 of 12

  Warm log in reverse: 34 C the next day at 7:00; 39 C at 18:00; 42 C at 7:00; warm 50 C tests at 18:00 (with prewarming). Good stuff.  


Rated: 5/5

  6 of 12

  Unbeatable quick, superb quality product. I use it for hiking. And when I am on building-site I also enjoy a nice cuppa. Pretty light-weight. Another great deal.  


Rated: 5/5

  7 of 12

  My previous flask was quite heavy but this flask is stronger, lighter and keeps liquid warmer for longer. What more do you need!  


Rated: 4/5

  8 of 12

  Tough, compact, well insulated.  


Rated: 5/5

  9 of 12

  Keeps hot, small in size.  


Rated: 5/5

  10 of 12

  I used this thermos while I was hiking for a day. I filled it at 08:00am and had my first hot soup at 14:00, my second at 16:30 and the two were piping hot when I was having them. This is a perfect size to fit into a small day pack and I would highly recommend it  


Rated: 5/5

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