Sea to Summit Reactor Extreme Sleeping Bag Liner Size:Compact Mummy W/Drawcord Mummy version has a drawcord

Mummy version has a drawcord footbox for optimal comfort

and with a length of 20 feet

The 10-denier Vapour Vent V2 fabric used in the shell and lining is ‘downproof by construction’

Lightweight Polycarbonate

Sea to Summit Reactor Extreme Sleeping Bag Liner Size:Compact Mummy W/Drawcord Mummy version has a drawcordAn essential component in your sleep system, the Reactor Extreme liner with Thermolite Pro fabric utilises innovative infra red absorbing ceramic pigments to give your system the thermal boost needed in colder weather adventures. The soft, wicking stretch knit fabric provides unmatched comfort and freedom of movement while still allowing the Reactor Extreme liner to fit any sleeping bag. Additionally, the drawcord footbox offers plenty of ventilation