Sea to Summit Reactor Lighweight Sleeping Bag Liner

Sea to Summit Reactor Lighweight Sleeping Bag Liner

Optimised for minimal weight and maximum warmth, the Reactor Lightweight boosts sleep system performance with advanced Thermolite Pro fabric. Infrared-absorbing ceramic pigments and hollow-core fibres trap body heat, adding up to 4°C / 7°F with minimal bulk—perfect for ultralight expeditions.

Stretch-knit construction and articulated arm openings allow full freedom of movement. Treated with HeiQ Fresh odour control, it’s quick-drying, machine washable, and helps extend your sleeping bag’s lifespan by reducing wash frequency.

Best Use:Backpacking, Cycle touring, Paddle touring

Type:Thermal Liner

Weight:9oz | 255g

Length:76in | 193cm

Packed Size:3.9 x 7.1 x 3.9in | 18 x 10 x 10 cm