Washing your sleeping bag liner when travelling isn't always practical, which means they can start to smell a little unpleasant after a while! However, this one is treated with permanent AXP anti-bacterial technology, which reduces the growth of bacteria that cause smells and mould! This mummy shaped liner is made from 100% cotton for optimum comfort and breathability in warmer climates and includes a hidden pocket for storing your phone and other small valuables. The liner also comes with a pillow insert pocket, which you can use to cover hostel pillows. Supplied with it's own compact stuff sack for storage when not in use and easy carrying. Ideal for using alone in hot climates or for teaming with your sleeping bag as a liner in colder countries!