Sea to Summit Reactor Thermolite Liner
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The Thermolite Reactor Liner by Sea to Summit is great for campers who need to add a little extra warmth and versatility to their existing sleep system. This liner can add up to 14°F of warmth to a sleeping bag or can be used as a stand alone bag for warm nights. The Thermolite Reactor comes with an UltraSil® stuff sack for easy packing.
Lightweight Warmth – This 8.7oz liner can add up to 14°F/8°C to a sleeping system, essentially upgrading a 40°F bag to a 26°F bag.
Performance Minded Mummy Shape – The mummy shape of this liner is designed with a taper to fit into a mummy shaped sleeping bag. The footbox is sewn with a little extra space for added comfort.
Soft, Stretchy Fabric – This liner is made from 80g/m² Thermolite® fabric that is lightweight, durable, and soft to enhance an existing sleep system. Hollow core fibers retain heat with less weight and bulk.
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This liner will let you expand the usage of your bag quite a bit while keeping you comfy and warm.
This liner is just 8.7 ounces, and adds 14 degrees of warmth to your bag! One size fits all with an 82 inch length, and the mummy shape ensures that it fits comfortably in your current sleeping bag. Can even be used as a stand alone bag on a warm night!