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Reactor Lightweight Sleeping Bag Liner
Price today$64.95lowest 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 | $64.95 | – | In stock |
| Regular | $69.95 | – | In stock |
| Long | $74.95 | – | In stock |
What Sea to Summit says
Optimized for minimal weight and maximum warmth, the Reactor Lightweight enhances sleep system performance with advanced Thermolite® Pro fabric, which uses infrared-absorbing ceramic pigments and hollow-core fibers to trap body heat. Adding up to 4°C|7°F of wa…
Excerpt from the brand's product page.
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