Silk Sleeping Bag Liner Ultimate Mummy popular-2026-03-13 the Cirrus Flex 2

the Cirrus Flex 2

whether you're out for a long hike or a casual stroll

Packable: Room to nest a mug and utensils

breathable and focused on wind protection

combining excellent warmth properties with much-improved compressibility

Silk Sleeping Bag Liner Ultimate Mummy popular-2026-03-13 the Cirrus Flex 2Designed for maximum comfort with minimal weight, the Silk Ultimate Sleeping Bag Liner is made from 100% silk for exceptional softness and breathability. Naturally temperature regulating and highly moisture wicking, it is ideal for warm conditions, travel and lightweight adventures. The liner can be used on its own or inside a sleeping bag for added comfort. Integrated stretch side panels allow for freedom of movement, while the built in pillow sleeve