Sea to Summit Reactor Lightweight Liner Size:Long 650FP European duck down insulation

650FP European duck down insulation – provides reliable warmth while keeping weight low

XFlow™ nitrogen infused supercritical foam with an ultra dampening and resilient energy-return effect has 15% more cushioning and 18

Materials: Steel

Vacuum insulated: Double wall vacuum insulated to maintain temperature

Sea to Summit Reactor Lightweight Liner Size:Long 650FP European duck down insulationOptimised for minimal weight and maximum warmth, the Reactor Lightweight enhances sleep system performance with advanced Thermolite Pro fabric, which uses infrared absorbing ceramic pigments and hollow core fibres to trap body heat. Adding up to 4C 7F of warmth with minimal bulk, its ideal for ultralight expeditions. Stretch knit fabric and articulated arm openings ensure unrestricted mobility. Treated with HeiQ Fresh odour control, its quick drying,