Reactor Extreme Sleeping Bag Liner Mummy w/ Drawcord Compact
Extra-warm bag cover -
Home delivery from 24/07/2026
60 days to change your mind
No subject to promotional offersThe Reactor Extreme Mummy w/ Drawcord Compact is a bag cover from the brand Sea to Summit.
With up to 15% extra warmth and its sarcophagusshape, you’ll enjoy cosy, warm nights of comfort. The lining Reactor Extreme, which features a drawstring, uses infrared technology to reflect the heat emitted by your body, providing highly effective insulation. This sleeping bag is made from 50% Thermolite Ecomade and 50% Thermolite Pro.
For cosy Bivouacs during all seasons, choose the Reactor Extreme !
PLEASE NOTE: The amount of warmth provided by the sheet depends on your sleeping bag’s ability to retain heat (which is different from its rated temperature) and your mattress’s insulating capacity (which is different from its R-value). If used with a suitable sleeping bag and mattress, you should notice a significant increase in warmth.
- Breathable, moisture-wicking and insulating material
- Increases the temperature inside the sleeping bag
- Protects the sleeping bag from damp and dirt
- Infrared technology that reflects body warmth
- Storage bags included
Composition :
- 50% THERMOLITE® EcoMade, 50% THERMOLITE® Pro
| THERMOLITE® EcoMade | The technology THERMOLITE® EcoMade provides gentle warmth for all activities. Made from durable, functional hollow fibres that provide insulation, this technology is manufactured using either 100% recycled PET bottles or 100% textile waste. |
| THERMOLITE® Pro | THERMOLITE® Pro uses hollow fibres and infrared-absorbing ceramic to reflect the heat emitted by your body, providing greater warmth and comfort. |
| HEIQ Fresh | The linings Sea to Summit are treated with HeiQ Fresh FFL, a highly effective, biocide-free odour-control technology that uses an amino sugar-based polymer to neutralise body odours. |
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