
Sea to Summit Reactor Midweight Sleeping Bag Liner
Sea to Summit Reactor Fleeceweight Sleeping Bag Liner
The Reactor Midweight boosts your sleep system’s warmth using advanced Thermolite Pro fabric. Hollow-core fibres and infrared-absorbing ceramic pigments trap body heat, adding up to 6°C / 11°F with minimal bulk.
Stretch-knit construction and arm openings allow unrestricted movement, making it compatible with any sleeping bag shape. Quick-drying, easy to clean, and treated with HeiQ Fresh odour control, it also helps extend your sleeping bag’s lifespan by reducing the need for frequent washing.
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Best UseBackpacking, Cycle touring, Paddle touring
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Material(s)100% Post-Consumer Recycled Polyester; Stuff Sack: 100% Polyester

Original: $71.11
-65%$71.11
$24.89Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Sea to Summit Reactor Fleeceweight Sleeping Bag Liner
The Reactor Midweight boosts your sleep system’s warmth using advanced Thermolite Pro fabric. Hollow-core fibres and infrared-absorbing ceramic pigments trap body heat, adding up to 6°C / 11°F with minimal bulk.
Stretch-knit construction and arm openings allow unrestricted movement, making it compatible with any sleeping bag shape. Quick-drying, easy to clean, and treated with HeiQ Fresh odour control, it also helps extend your sleeping bag’s lifespan by reducing the need for frequent washing.
-
Best UseBackpacking, Cycle touring, Paddle touring
-
Material(s)100% Post-Consumer Recycled Polyester; Stuff Sack: 100% Polyester




















