Primus – TrailBreak EX 0.75L Flask

24 hours after I poured some near-boiling water in to this flask, mixed in a good dribble of blackcurrant cordial and sealed it up, I opened it up again and the drink inside was still warm. Not “hot”, but definitely warm enough to give me a glow on an absolutely freezing cold morning.

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So it does what it says on the tin – where a little label says it will keep things warm for 20-hours – and will fend off the cold more than admirably because it was sat around in temps of between 3C-15C for those 24 hours..

I used the TrailBreak again last weekend on a search & rescue callout. It stayed in the car whilst I was out on the ground because it’s quite heavy and bulky and my pack is full of more-essential kit. But it acted like a homing beacon, calling me back at the end of each search sector for a nice cup of warming cordial again. Each one was piping hot, but I was saved from any damage by the thick silicone insulation on the bottle (to stop cold hands freezing to it!) and by a very well insulated mug that’s a good size to drink from. In fact, the mug is double-insulated itself, so your drink won’t burn your hand OR get cold quickly once it’s poured.

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The TrailBreak comes with two flavours of stopper (one is hidden in the base of the packaging). I prefer the old-school (and slightly better insulating) traditional screw-in stopper, which you take completely off to pour your drink in to the mug. But it also comes with a more modern click-closed stopper which allows you to pour the contents through a small hole, or even sip it directly from the bottle. I have to say that sippy tops scare me because I tend to put super-hot drinks in my flasks and I’ve got a delicate tongue that is no friend to scolding.

The TrailBreak is a double-walled stainless steel bottle which means it can’t break if you drop it. Although it’d be hard to drop it because the silicone coating is very grippy.

A nice feature is that the bottle has a nice wide mouth when the stopper is off for safe kettle-pouring and easy cleaning with a brush.

This is a serious piece of kit though, and it weighs a fair bit at 630g. That’s actually more than the pair of walking boots I was wearing that same day and it gives a hint to the type of usage that you can expect the TrailBreak to lend itself to. For me it’s a basecamp or car kit. For on trail use I’d take something smaller and lighter like one of Primus’ 0.35L Vacuum Bottles instead.

5-hammersPrice: £35 for .75l and £40 for 1L
More: Primus (Store locator)