This 100% cotton sleeping bag liner is treated with Polygiene odour control technology. The anti-microbial treatment is integral to the fibres within the fabric preventing the build up of odour causing bacteria, keeping your sleeping bag liner cleaner and smelling fresher for longer. The soft, breathable liner is generously proportioned with integrated pillow sleeve and contact germ guard. Comes with a tough ripstop carry case to stow away easily and protect from the elements.   Lifeventure Cotton Rectangular Liner | Sleeping Bag Liners | George Fisher