Discover the ultimate sleeping bag liner designed to offer comfort and versatility whatever the climate, with Sea to Summit's Thermolite Silk Liner. This liner skilfully combines the luxurious comfort of natural silk with the advanced thermal performance of Thermolite EcoMade and Thermolite Pro, ensuring optimum comfort all year round.

Thermolite EcoMade All Season technology offers multi-seasonal functionality by regulating temperature, ensuring optimal comfort in warm and cool weather. Composed of hollow-core fibers to trap heat and moisture-channeling fibers for adaptive temperature management, this insulation is also made from 100% post-consumer recycled resources, underscoring Sea to Summit's commitment to sustainability.

What's more, Thermolite Pro fiber with FIR (far infrared) technology offers additional thermal reinforcement for enhanced warmth and comfort in cold weather. Special ceramic pigments generate heat for your body, effectively improving body heat retention.

This rectangular liner is also equipped with innovative features, such as HeiQ Fresh FFL treatment, which neutralizes body odor for a long-lasting fresh feeling.

Made from a blend of 72% recycled yarns and 28% natural yarns, this liner not only guarantees exceptional comfort, but also enhanced durability, underlining Sea to Summit's commitment to eco-responsible practices.

What's more, this liner comes with a pillow cover, adding an extra touch of convenience for a restful sleep even on the move.

Whether you're venturing into snowy mountains or camping under the stars, Sea to Summit 's Thermolite Silk Liner is your reliable companion for comfortable, invigorating nights in the great outdoors.