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Two dark blue Big Agnes Cotton Sleeping Bag Liners are laid flat. The left is rectangular with a hood; the right is a tapered mummy style. Both feature a small logo at the bottom and are ideal for travel.
The Big Agnes Cotton Sleeping Bag Liner features a dark gray, mummy-style design with a hood, tapering toward the bottom, and a small logo near the foot—laid flat on white. Ideal for travel comfort.
The Big Agnes Cotton Sleeping Bag Liner is shown in gray with a hood, full-length, and tapered design against a white background, featuring the logo near the bottom—perfect as a travel companion for your sleeping bag.
The Big Agnes Cotton Sleeping Bag Liner in dark blue features a hood, smooth texture, and side ties. Shown flat on a light background, this simple design makes it an ideal travel companion.
Close-up of the Big Agnes Cotton Sleeping Bag Liner—gray fabric bag with an orange plastic toggle, ideal as a travel companion or for storing your sleeping bag, with the drawstring partially pulled through its edge channel.
Two rolled-up Big Agnes Cotton Sleeping Bag Liners in gray are placed beside a blue water bottle with vibrant outdoor-themed stickers—ideal companions for your next adventure.

Cotton Sleeping Bag Liner

Big Agnes

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From couch-surfing sessions, to warm weather nights under the stars, this cotton liner is the perfect travel companion.

Cotton/polyester blend is soft against skin, and is ideal for adding the extra warmth you need to a sleeping bag, or on its own as a barrier between you and a mattress on warm-weather overnights.