test night, purchased the sea to summit thermolite extreme liner. supposed to get to -19C(-31C w/ wind). also will be testing a new merino top that I purchased to see how toasty
Reactor Fleece Sleeping Bag Liner (Adds 32°F) | Sea to Summit
Sea to Summit Reactor Sleeping Bag Liner Review — Backcountrycow | Backpacking and Outdoor Travel
SEA TO SUMMIT PREMIUM FLEECE SLEEPING BAG LINER - MUMMY WITH HOOD #AFLEECE | eBay
Reactor Fleece Sleeping Bag Liner (Adds 32°F) | Sea to Summit
Sea to Summit Thermolite Reactor Fleece Liner - Regular | REI Co-op
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Sea to Summit Reactor Sleeping Bag Liner Review — Backcountrycow | Backpacking and Outdoor Travel