COCOON MummyLiner Silk Sleeping Bag Liner

The COCOON MummyLiner™ Silk is a lightweight silk sleeping bag liner designed for backpackers, travelers, and campers who want added comfort, warmth, and packability. Made from 100% silk, this mummy-style liner helps keep your sleeping bag cleaner while adding up to 9.5°F of warmth.

At just 4.7 oz with a compact 6" x 3" packed size, the MummyLiner™ Silk is built for minimal pack weight and easy travel. Its tapered mummy shape, drawstring hood, wide top opening, boxed foot end, and double-stitched construction make it a practical liner for camping, backpacking, hostel travel, and warm-weather trips.

Features & Benefits

• Adds warmth to your sleep system: Adds up to 9.5°F to a sleeping bag for extra comfort on cooler nights.
• Packs small and light: Weighs 4.7 oz and packs down to 6" x 3" for backpacking and travel.
• Soft 100% silk comfort: Silk feels smooth against the skin and responds well to changing temperatures.
• Easy entry and exit: A wide top opening makes it simple to get in and out of the liner.
• Better sleeping bag fit: The contoured mummy shape and boxed foot end are designed to work inside a sleeping bag.
• Built for repeated outdoor use: Double-stitched construction adds durability for travel and camping.
• Added head coverage: A drawstring hood helps seal out drafts and adds comfort in cooler conditions.
• Convenient storage: Includes a compact stuff sack for packing and transport.

Best For

• Backpacking and lightweight camping
• Adding comfort and warmth inside a mummy sleeping bag
• Travel, hostels, and hut trips
• Warm-weather sleeping when a full bag may be too much
• Keeping a sleeping bag cleaner between washes

This silk sleeping bag liner is a strong choice for hikers and travelers who want a compact, breathable liner with a soft feel and low packed weight. Its mummy shape, drawstring hood, and small stuff sack make it easy to add to a backpacking kit or travel bag.

Available from Red Beard’s Outfitter in Mobile, Alabama, the COCOON MummyLiner™ Silk is a smart sleep-system upgrade for Gulf Coast campers, road trippers, backpackers, and travelers preparing for adventures near and far.

Frequently Asked Questions