Sea to Summit Reactor Liner

Code: DO-SS-LINER-REACTOR-2024-BL
Ultralight
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1 498 Kč / pcs
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A relatively lightweight and compact sleeping bag liner that enhances your thermal comfort and expands the temperature range of your sleeping system.

Detailed information

Product detailed description

It’s hard to find a versatile sleeping bag that will keep you comfortable during early spring frosts and then again on extra-warm summer nights without making you overheat. Unless you’re one of the lucky few who has three sleeping bags at home for all seasons, a sleeping bag liner can do a lot of the work without significantly adding to the weight and bulk of your gear. Reactor Thermolite is made from THERMOLITE® hollow fiber, which offers excellent thermal insulation and very high breathability despite its low weight. The entire fabric is stretchy and very flexible, so it does not significantly restrict movement. When sleeping in just underwear, it feels very comfortable against bare skin. The liner also serves very well as protection for your sleeping bag, as any sweat or dirt is absorbed by the liner and does not end up in your sleeping bag. The liner is easy to maintain, as it can be machine-washed without any issues.

The mummy shape with dimensions of 198 x 80 cm (80 cm at the shoulders, 55 cm width at the feet) offers plenty of interior space, and the hood can be easily pulled tight around the head. The manufacturer claims that the liner increases thermal comfort by up to 12%. However, this should be taken with a grain of salt. Honza Žďánský tested this item the most on our team, and he himself says that the objective increase in comfort is about 5°C, which is still a very nice figure. All in all, the Reactor Thermolite will be a great backup piece to improve your sleeping comfort or can be used for overnight stays in cabins.

OUR OFFER FEATURES A BLACK COLOR COMBINATION WITH A STITCHED FOOTBOX!

Sea To Summit Reactor Thermolite :

  • Weight: 290 grams.
  • THERMOLITE® Pro hollow fiber + Thermolite® Ecomade (recycled polyester).
  • Dimensions: 198 x 80/55 cm.
  • Packed dimensions: 15 x 7 x 11 cm.
  • Removable hood.

Additional parameters

Category: Sleeping bags
EAN: 9327868158423

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J Avatar of author Hypoteticky 10.10.2025 09:11
Dobrý den, chápu-li to správně, tak čiště hypoteticky, pakliže bych tuto vložku použil v https://www.nalehko.cz/perovy-quilt-enlightened-equipment-enigma-20--f-6--c-/, který je do -6 tak bych mohl dostat -11? Záměrně říkám hypoteticky :-) Tím, že u quiltu se jedná o limit -6, tak bychom se mohli dostat třeba na komfort -2? Díky Jenda
Avatar of author Hypoteticky 10.10.2025 11:42
Dobrý den, jak správně poznamenáváte "hypoteticky" ano. U quiltu to může být dost ošidné. Bude dost záležet jak vyřešíte hlavu a krk.

For many years, the Australian brand Sea to Summit has been manufacturing hundreds of essential outdoor accessories, ranging from cookware, towels, and dry bags to ponchos, sleeping pads, and top-of-the-line tents.

Vytvořil Shoptet | Design Shoptak.cz