Reactor Midweight Sleeping Bag Liner FIDLOCK The result

The result

Folding Z-pole system for easy stowage

Close-fitting hood sized to fit under a helmet for additional warmth at the crag

2 x 500ml water bottles included

All Terrain Contagrip outsole for dependable grip on mixed surfaces

Reactor Midweight Sleeping Bag Liner FIDLOCK The resultA high performance sleeping bag liner that meaningfully extends your sleep system's warmth and lifespan, the Sea to Summit Reactor Midweight uses Thermolite Pro fabric with infrared absorbing ceramic pigments and hollow core fibres to trap and reflect body heat adding up to 6C to your sleep system without meaningful bulk. Stretch knit fabric and shaped arm openings allow unrestricted movement throughout the night, and a fitted hood delivers targeted