Unbreakable Flask

[cycle cat]

I'd like an unbreakable stainless steel flask that will keep my tea hot.
My current one means the tea ends up lukewarm on day rides.
I do prime it by filling it with boiling water and shaking it.
What can people recommend?
It can go in a bag. I'm not bothered about putting it in a bottle cage.

[robgul]

Putting a stainless flask in a neoprene bottle bag - Blacks and Cotswold sell them - does prolong warmth for a while longer than if it's naked.

Rob

[rjb]

I use a standard aluminium bottle from the £1 shop and an insulated sleeve like this with the addition of a foam ring on top - sorry its not quite in focus.

[Heltor Chasca]

All my work flasks are Stanley. I swear my them. One of my newer 750ml (or is it 1l I forget) is very light. Stanley have modernised and their flasks are about a third lighter. Expensive, but I get hot beverages all day...hv

[Vantage]

http://www.amazon.co.uk/gp/product/B000 ... detailpage

My tea was still scorching hot after 5 hour rides during Oct - Nov last year although I've yet to test it under the current freezing temps.

[bikepacker]

Thermos Ultimate. Lightweight and will keep drinks hot for over 12 hours. I have drunk coffee after 18 hours in one. There are two sizes:

http://www.thermosonline.co.uk/store/Th ... ite/sp_307

[reohn2]

http://www.amazon.co.uk/gp/product/B000TASOEK?psc=1&redirect=true&ref_=oh_aui_search_detailpage ......

I have two Thermos ones similar to this,last Friday in 3degree temps in a bottle cage for 4hours after being in the car for an hour prior to that,my coffee was still hot.

[Mistik-ka]

I did a lot of research and tried several brands to come up with a stainless steel flask that would keep medications cool between B&B's while touring. Different models by Thermos invariably showed the least change in temperature on an all-day ride. As is so often the case, it seems that you get what you pay for.

[maxcherry]

Tesco sells them for £3. Stays hot for ages

[fluffybunnyuk]

another use for trusty space blanket....I wrap mine round my flask before depositing it in its personal sleeping bag. Stays hot till days end usually.

[[XAP]Bob]

25 years ago I got a stainless flask, made tea one morning. Put it in a pannier, wrapped in clothing.

Forgot about it that evening, and the next morning, carried on riding around Dartmoor.

That evening I poured out a tea which I had to let cool....

Basically - I second the thoughts around extra layers
Particularly if you had the layers with you anyway...

[yakdiver]

Have a look at the "lifeventure" not cheap but very good

[simonineaston]

Had a relevant conversation with a work colleague just the other day... he reminded me that the original Thermos flask used a one piece double-walled glass liner, with a vacuum in the gap - a really effective barrier to heat-loss, but fragile... metal flasks, on the other hand, won't keep the vacuum and transfer heat like Billy-Oh. So there you have it. Hot contents or Durability - your choice!!

[Vantage]

The originals also used a foil liner to keep the heat in. If anyone broke one, they would see not only the glass shards infecting their brew, but the shiny foil too. I had one. In the dark ages.
Switched to a stainless one because my dad, who leaves his home at 3am Sunday and doesn't get back till after 3pm the following Saturday after thousands of miles stuck in a HGV all week swears by stainless. Which I and many others also do.
I'd say your colleague, much like the Thermos flask, is also full of hot air.

[bikepacker]

Tesco sells them for £3. Stays hot for ages

The one my son got from Tesco's is not very good, his drinks cool very quickly compared to mine. Also would you buy a Tesco bike at £99?

Also why would anyone buy a flask knowing they will need to wrap it in further insulation? Surely a good flask should have it's own sufficient insulation.