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Add extra warmth to your mummy sleeping bag for colder weather camping adventures with the Sea to Summit Reactor Extreme Mummy Sleeping Baginer. Made of advanced, 100% polyester Thermolite Pro hollow-core fiber fabric, this soft a
"What Our Gearhead® Experts Are Saying:""I brought the Reactor Fleece Mummy + Drawcord Sleeping Bag Liner on a late October trip where temps dipped further than expected, and it genuinely saved me from a miserable night. The shoulder zippers made it...
"What Our Gearhead® Experts Are Saying:""I brought the Reactor Fleece Mummy + Drawcord Sleeping Bag Liner on a late October trip where temps dipped further than expected, and it genuinely saved me from a miserable night. The shoulder zippers made it...