This sleeping bag liner kept me warm when camping at high altitude. I like the colour (red), quality, its slightly stretchy so not restrictive, and it has a draw string at the top in case you really need to snuggle down. It doesn't add the advertised 15C but it definitely made a difference, expensive for what it is, but I'd buy again if needed.
Verified purchase: Yes | Condition: New
I really liked the feel of the soft stretchy fabric although it didn't perform like I expected. Admittedly it was used in a rectangular cheaper synthetic sleeping bag (-2C comfort rating) and I sleep cold. I was also sleeping on a stretcher and a Therm-a-rest sleeping mat. In overnight temperatures of 5 to 10C I was cold enough to wake throughout the night despite wearing Quality Merino thermals/socks/hat. I will continue to use as I found the fabric was much more comfortable than the material used in the inners of sleeping bags and will use when sleeping directly on thermal mat and using sleeping bag as a quilt.
Verified purchase: Yes | Condition: New
With Any Sea to Summit gear we have, it up there for Quality This time the product didn’t quite match our intensions for what we wanted, and we returned the items
Verified purchase: Yes | Condition: New
Very warm ,lives up to expectations Will take it out on 4 day hike soon
Verified purchase: Yes | Condition: New
great addition to my winter bike packing kit really makes a difference
Verified purchase: Yes | Condition: New
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