Sea to Summit Reactor Sleeping Bag Liner Ultralight 3.9oz Adds 8F Warmth
By Sea
What is the Sea to Summit Reactor Sleeping Bag Liner Ultralight 3.9oz Adds 8F Warmth?
The Sea to Summit Ultralight Sleeping Bag Liner adds up to 8 degrees Fahrenheit of warmth to any sleeping bag while protecting the bag interior from body oils that degrade down insulation over time. Weighing just 3.9 ounces, it packs into a 4-inch compression sack that clips to any sleeping bag stuff sack or pack exterior. Silky microfiber fabric feels softer than most sleeping bag interiors.
What are the pros?
- Adds 8F of warmth at just 3.9 ounces of pack weight
- Protects sleeping bag interior from body oils and extends life
- Microfiber fabric softer than most sleeping bag linings
What are the cons?
- 8F warmth addition insufficient as a standalone cold-weather solution
- Requires careful alignment inside sleeping bag to prevent bunching