Designed for the passionate hiker seeking a comfortable night's sleep, the Sea to Summit Comfort Blend Pillow Sleeve Liner is an essential addition to your camping gear. This innovative liner boasts a soft stretch knit fabric that blends polyester and lyocell, providing next-to-skin comfort that's ideal even on warm, humid nights. Its unique moisture-wicking layer ensures dryness, while odor control technology keeps it fresh after long-term use. The rectangular design offers ample movement, and the pillow sleeve version takes comfort to the next level, providing added head support and hygiene. Plus, with its compact storage case, packing and transport is a breeze. This liner not only keeps your sleeping bag clean but also significantly improves your sleep climate.