![Amazon.com : Litume Thermolite All Season Sleeping Bag Liner Add Up to 22F, Mummy Sleeping Sack Backpacking, Camping, Traveling, Lightweight Sleep Sack with Drawstring Hood (E626 US) (Thermolite) : Sports & Outdoors Amazon.com : Litume Thermolite All Season Sleeping Bag Liner Add Up to 22F, Mummy Sleeping Sack Backpacking, Camping, Traveling, Lightweight Sleep Sack with Drawstring Hood (E626 US) (Thermolite) : Sports & Outdoors](https://m.media-amazon.com/images/I/71tYEN80WwL._AC_UF350,350_QL80_.jpg)
Amazon.com : Litume Thermolite All Season Sleeping Bag Liner Add Up to 22F, Mummy Sleeping Sack Backpacking, Camping, Traveling, Lightweight Sleep Sack with Drawstring Hood (E626 US) (Thermolite) : Sports & Outdoors
![Sea to Summit Reactor Insulated Sleeping Bag Liner, Extreme (83 x 35) : Sea to Summit: Amazon.ca: Sports & Outdoors Sea to Summit Reactor Insulated Sleeping Bag Liner, Extreme (83 x 35) : Sea to Summit: Amazon.ca: Sports & Outdoors](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)
Sea to Summit Reactor Insulated Sleeping Bag Liner, Extreme (83 x 35) : Sea to Summit: Amazon.ca: Sports & Outdoors
![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)