When extra thermal protection is more important than shaving off the grams, the Rab Thermic Expedition Sleeping Bag Liner is the go-to sleep system upgrade

Conceived as an accessory for the uncompromising Rab Expedition collection, our Thermic Expedition Sleeping Bag Liner adds some useful extra insulation courtesy of its Thermic microfleece construction.

Built with a traditional mummy cut, it weighs 500g and provides exactly the protection your Expedition Sleeping Bag deserves.