![Sea To Summit Thermolite Reactor Extreme Liner Review & Demonstration | Warm Sleeping Bag Liner - YouTube Sea To Summit Thermolite Reactor Extreme Liner Review & Demonstration | Warm Sleeping Bag Liner - YouTube](https://i.ytimg.com/vi/dHU87bBiL74/maxresdefault.jpg)
Sea To Summit Thermolite Reactor Extreme Liner Review & Demonstration | Warm Sleeping Bag Liner - YouTube
![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/o3xfz9p1nja81.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
![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)