Sea to Summit Coolmax Adaptor Sleeping Bag Liner (Mummy) Royal Blue R-Value: 3

R-Value: 3

watertight center-front zipper and welted venting pit zips are treated with a DWR (durable water repellent) finish

Built with rugged dependability to keep you moving strongly toward your objective

Breathability: 47

244 g Polartec® Power Stretch Pro on back of hand

Sea to Summit Coolmax Adaptor Sleeping Bag Liner (Mummy) Royal Blue R-Value: 3The Sea to Summit Adaptor COOLMAX sleeping bag liner is an excellent versatile choice that adapts to varied temperatures and humidity. It's ideal for use on its own in warm climates, or as a liner in your regular sleeping bag. The COOLMAX fabric is super soft and luxuriously comfortable, kind of like your favorite tee shirt and with its moisture wicking properties, it will help to provide a dreamy sleep wherever you are. A sleeping bag liner is