![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://preview.redd.it/28ogra61nja81.jpg?width=640&crop=smart&auto=webp&s=bdf2ba48cfa052f4b56410368c7f5cf6f91edc77)
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
![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 - Amazon.com](https://m.media-amazon.com/images/I/81hJYZcIRaL._AC_UF1000,1000_QL80_.jpg)
Sea to Summit Reactor Insulated Sleeping Bag Liner, Extreme (83 x 35) : Sea to Summit: Everything Else - Amazon.com
![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/I/8160Ljdc0TL._AC_UF350,350_QL80_.jpg)
Amazon.com: Sea to Summit Reactor Insulated Sleeping Bag Liner, Extreme (83 x 35) : Sea to Summit: Everything Else
![SEA TO SUMMIT Reactor Thermolite Fleece Reactor -FLEECELINER Sleeping bag Liner 9327868051281 | eBay SEA TO SUMMIT Reactor Thermolite Fleece Reactor -FLEECELINER Sleeping bag Liner 9327868051281 | eBay](https://i.ebayimg.com/images/g/xn0AAOSwK0JkDi1h/s-l1600.jpg)