teaching us some much needed knowledgeIf push comes to shove you can always use your jacket, but having slept on the shingle just using a bit of oilcloth, or on soil scraping out a hollow for hip and shoulder, and then the innovation (showing my age here ) of the wonder that was the closed cell mat...... I reckon underneath matters a heck of a lot.
Have both this and the Snugpak 15 ....both bulky/heavy for backpacking, but the Army thing is versatile, cheap and surprisingly effective The Snugpak 15 is a very good winter bag........Hahah yeh its definitely a challenge!
British Army Military Modular Sleep System
Looking for a versatile winter sleeping bag that can handle just about any condition? Look no further than the British Army military modular sleep system. This ingenious 5 season sleeping bag features three bags in one – a Medium weight bag, a lightweight bag, and an inner liner – giving you a...www.goarmy.co.uk
We both have the "medium bag" which is the one with the tiny hole. I think we both go the large as I need it for me, and the wifey didn't want to feel trapped in it, plus the doggo sometimes sleeps in with her....
We camped on dartmoor in the middle of winter snow and all, and with socks and thermal top bottom, hat scarf etc and in a tent, I got too hot... so I definitely recommend them, but the issue is they're bulky and relatively heavy.
.....
But cheap compared to snugpak stuff..
Snugpak do something similar on some of their bags..........Like some on here, I like the straight bag as less restrictive.
However, back in the day, I came across a Mountain Equipment Sleepwalker TDS mummy bag.
The TDS is elasticated leg area, so its technically a straight til you get to the footbox, but the elastic pulls to mummy shape to restrict draughts.
Absolutely genius. But they don't do it now.