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Four-star comfort and increased warmth, whether you’re in you sleeping bag or a crummy hostel bed.

The Sea To Summit 100% Premium Silk Sleeping Bag Liner not only feels luxurious, it provides a layer of protection between you and sketchy hostel or budget hotel mattresses. Thanks to its high quality, machine-washable, ripstop silk, this sleeping bag liner packs down into its own tiny stuff sack and weighs less than a can of soda, so you can easily take it traveling or backpacking. On cold, clear nights under the stars, layer it in your sleeping bag to add up to 10 degrees of warmth to your bag's temperature rating. Sea to Summit used double folded seams for added comfort and durability.