![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 I can get. winter sleep system upgrades coming along nicely. : r/CampingGear 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 I can get. winter sleep system upgrades coming along nicely. : r/CampingGear](https://preview.redd.it/28ogra61nja81.jpg?width=1080&crop=smart&auto=webp&s=c281e402d9fd0a7c283d2b44b0b1677f214bbde2)
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 I can get. winter sleep system upgrades coming along nicely. : r/CampingGear
![THERMOLITE REACTOR EXTREME SLEEPING BAG LINER - Sea to Summit - Alaska Outdoor Gear Rental Reservations THERMOLITE REACTOR EXTREME SLEEPING BAG LINER - Sea to Summit - Alaska Outdoor Gear Rental Reservations](https://img.rezdy.com/PRODUCT_IMAGE/158036/thermolite_reactor_extreme_liner_lg.jpeg)
THERMOLITE REACTOR EXTREME SLEEPING BAG LINER - Sea to Summit - Alaska Outdoor Gear Rental Reservations
![Sea to Summit Thermolite Reactor Extreme Hut Sleeping Bag/Inlett - Sleeping Bags - Camping - Outdoor - All Sea to Summit Thermolite Reactor Extreme Hut Sleeping Bag/Inlett - Sleeping Bags - Camping - Outdoor - All](https://dsev9ziwjq6qk.cloudfront.net/media/catalog/product/cache/5/image/1022x1131/9df78eab33525d08d6e5fb8d27136e95/c/a/cartware_3dpicture_Rvlviu.jpg)
Sea to Summit Thermolite Reactor Extreme Hut Sleeping Bag/Inlett - Sleeping Bags - Camping - Outdoor - All
![Sea to Summit Reactor Insulated Sleeping Bag Liner, Extreme (83 x 35) : Sleeping Bag Liners : Sports & Outdoors - Amazon.com Sea to Summit Reactor Insulated Sleeping Bag Liner, Extreme (83 x 35) : Sleeping Bag Liners : Sports & Outdoors - Amazon.com](https://m.media-amazon.com/images/I/81hJYZcIRaL._AC_UF350,350_QL80_.jpg)
Sea to Summit Reactor Insulated Sleeping Bag Liner, Extreme (83 x 35) : Sleeping Bag Liners : Sports & Outdoors - Amazon.com
![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
![Sea to Summit Reactor Insulated Sleeping Bag Liner, Extreme (83 x 35) : Sleeping Bag Liners : Sports & Outdoors - Amazon.com Sea to Summit Reactor Insulated Sleeping Bag Liner, Extreme (83 x 35) : Sleeping Bag Liners : Sports & Outdoors - Amazon.com](https://m.media-amazon.com/images/I/81K1HPK6MeL._AC_UF1000,1000_QL80_.jpg)