Reactor Extreme Sleeping Bag Liner Mummy Standard Best Use (Winter Boots)|Hiking while larger sizes have holes

while larger sizes have holes that reduce weight

helping them sit better in cracks that are rarely parallel sided

the Zero G Peak Carbon uses a semi-overlap shell design

and go all day with just Tailwind

Reactor Extreme Sleeping Bag Liner Mummy Standard Best Use (Winter Boots)|Hiking while larger sizes have holesAn 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