Therm-a-Rest Synergy™ Sleeping Bag Liner Sufix the backbone of the TROUT

the backbone of the TROUT reel is our proven One Revolution

precisely tailored to the female anatomy wearing comfort

Princess Seams

Leak resistant

With everything in its place—anywhere

Therm-a-Rest Synergy™ Sleeping Bag Liner Sufix the backbone of the TROUTThe soft and cozy Synergy Sleeping Bag Liner adds warmth, comfort and years of life to any sleeping bag. Contributing up to 5F 3C degrees of warmth to your sleeping system, the soft, stretch knit polyester also serves as a protective barrier to your expensive sleeping bags materials, absorbing the sweat and oils that would otherwise go directly into your bag and decrease its loft. Now, instead of washing and drying your entire bag or allowing that