Compare this to the likes of Sea to Summit’s Ether Light XT Extreme which comes with an R-value of 6.2, or the frankly excellent Therm-a-Rest Neoair XTherm NXT which comes with an R-value of 7.2 ...

Granted, it easily loses out in both size and weight when compared with some of the bigger brands out there, namely Therm-a-Rest and Sea to Summit, but it strikes an excellent balance between warmth, ...

In the Arctic, it is vital to be using equipment which you can rely on - a kit failure in sub-zero conditions can pose major problems, even for the experienced. It is also important to choose tools ...