LinersLiners adapted to sleeping bags as extra protection and insulation or to be used as cover on hostels and or mountain refuges Silk liner Small pack size and hight insulation value Colour: White nature Liner cotton Slightly heavier than a silk liner, but has the same use Colour: Green Mummy shape fits perfect in the sleeping bag. Rectangular shape is what you use together with blankets/quilts in hostels etc. Fitted with pillow case: YHA style.