Sea to Summit Silk Liner

The silk liner adds approximately 5 degrees Fahrenheit of thermal efficiency to your sleep system. While it provides a noticeable boost, it is designed primarily for hygiene and comfort rather than significant insulation.

Yes, the fabric is machine washable and color-fast. We recommend using a gentle cycle and mild detergent to maintain the integrity of the silk fibers over time.

No, this model does not feature a pillow pocket or an integrated hood. It is a straightforward mummy-shaped liner designed for simplicity and minimal weight.

The silk fabric does not have any stretch, so it will feel like a traditional sheet. Because it is a mummy shape, it is designed to fit closely to your body, which helps maximize thermal efficiency.

By acting as a barrier between your body and the sleeping bag, the liner absorbs sweat, oils, and dirt. This reduces the frequency with which you need to wash your sleeping bag, which can degrade the insulation and fabric over time.