Packed in its tiny stuff sack, the Vango Deep Sleep Thermo Pillow is lightweight and easily carried on multi-day hikes. When its time for bed, 2 or 3 good breaths and it becomes a well-supported pillow with a light layer of insulation for a comfortable nights sleep. Flat Valve - Closes flush with pillow surface Breathable Outer Shell - conforming, flexible and ultra-soft Hollow Fibre Insulation - Provides additional warmth and extreme comfort Stuffsack with convenient drawcord closure Vango Deep Sleep Thermo Pillow - Atom Blue