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Sea to Summit · Shelter, Tents & Sleep
Reactor Midweight Sleeping Bag Liner
Price today$74.95lowest option · in stock
Price history
Price checked Oct 17, 2026, 6:34 AM ET from seatosummit.com. History began Oct 17, 2026. Tax and shipping not included.
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Options and prices 3
| Option | Price | Brand "compare at" | Stock |
|---|---|---|---|
| Short | $74.95 | – | In stock |
| Regular | $79.95 | – | In stock |
| Long | $84.95 | – | In stock |
What Sea to Summit says
The Reactor Midweight enhances your sleep system with advanced Thermolite® Pro fabric. Infrared-absorbing ceramic pigments and hollow-core fibers trap body heat, adding up to 6°C|11°F to a sleep system with minimal bulk. Stretch-knit fabric and arm openings al…
Excerpt from the brand's product page.
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