Imagine yourself, after a long day of mountain hiking, slipping into your sleeping bag and enjoying soft comfort and cozy warmth. This is exactly what the Cocoon Thermolite Performer sleeping bag liner offers. Whether at a high-altitude bivouac or an outdoor festival, this liner will accompany you everywhere, adding an extra layer of warmth and hygiene to your sleep. The Cocoon Thermolite Performer is the perfect companion for your outdoor adventures. Enjoy comfortable and restorative nights wherever you are, while reducing your environmental impact thanks to its exceptional durability.