MummyLiners
Cocoons for the modern pioneer
A favorite of those looking for extra insulation, adventuring out on alpine backpacking trips, camping on porta ledges, or embarking into less-hospitable environments.
You put a load of trust into your mummy bag. Sometimes it’s the only thing that gets you through the night. But all the best gear and life-saving systems need a backup. That’s what COCOON ® MummyLiners ™ are for. When the wind is howling, the air is cold and the long day of adventure is catching up with you, unwind with peace of mind knowing that your MummyLiner can kick up the heat in your sleep system by up to an additional 16.2 degrees beyond your sleeping bags insulation rating.
Choose between COOOLMAX®, Flannel, Microfiber, or over 15 other options to customize the sleep system that fits your needs. There truly is no highly technical, high-performing sleeping bag liner out there that offers the versatility to compare.
MummyLiner™ Silk
from $84.95
- dark-olive-green
- checked
- leaves
- mulberry-red
- ultramarine-blue
MummyLiner™ Silk - Small
from $79.95
- leaves
- ultramarine-blue
- natural
MummyLiner™ Microfiber
$29.95
- cranberry
- twilight-blue
- moss-green
MummyLiner™ Cotton Flannel
$49.95
- african-rainbow
- twilight
MummyLiner™ Performer® Thermolite®
$62.95
- glow
- volcano-black
MummyLiner™ Cotton
from $39.95
- cactus-blue
- nile
- elephant-grey
- leaves
- travel-checks
COCOON - Premium - MummyLiner Silk / Egyptian Cotton
$99.95
- tuareg
- monks-red
- natural
Shop Lightweight and Durable Sleeping Bag Liners
Our silk sleeping bag liners are just the thing when you crave an extra layer of breathable comfort in rugged outdoor conditions. COCOON’s sleeping bag liner in silk is lightweight, making it super easy to pack with your gear. It’s double-stitched to ensure that it holds up for years. Plus, our sleeping liner will also help extend the life of your sleeping bag by keeping it clean on the inside. Our silk sleeping bag liner works under many different conditions, keeping you cool or cozy, no matter what part of the Great Outdoors you’re bunking down in.
Frequently Asked Questions
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