![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 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](https://i.redd.it/28ogra61nja81.jpg)
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
![Amazon.com: Sea to Summit Reactor Insulated Sleeping Bag Liner, Extreme (83 x 35) : Sea to Summit: Everything Else Amazon.com: Sea to Summit Reactor Insulated Sleeping Bag Liner, Extreme (83 x 35) : Sea to Summit: Everything Else](https://m.media-amazon.com/images/S/aplus-seller-content-images-us-east-1/ATVPDKIKX0DER/A2EG6QEDZDPFVD/0e13e337-38db-4dc9-83bb-5d9a79b0a0ca._CR0,0,970,300_PT0_SX970__.jpg)
Amazon.com: Sea to Summit Reactor Insulated Sleeping Bag Liner, Extreme (83 x 35) : Sea to Summit: Everything Else
![Amazon.com : Reactor Extreme Liner (adds up to 25°F) Regular / Mummy : Sleeping Bag Accessories : Sports & Outdoors Amazon.com : Reactor Extreme Liner (adds up to 25°F) Regular / Mummy : Sleeping Bag Accessories : Sports & Outdoors](https://m.media-amazon.com/images/I/619t10nFvpL._AC_UF1000,1000_QL80_.jpg)