100% polyester fabric used for sleeping bag 

What fabrics are used for sleeping bag shells and linings? The inner and outer fabrics of a sleeping bag protect the insulation, and are the only parts in contact with your body. Factors that go in to determining the type of fabric used here include comfort, breathability – good breathability keeps the bag drier on the inside, durability and weight Shell fabrics: Polyester, Taffeta – found in the most basic bags, They are best for indoor or family ， breathable and low-cost. Recommended for drier conditions.  For most family camping trips where conditions are mild,     Polyester fabric should suffice as a shell.  Lining fabrics: This fabric is only 65gsm，also suitable for lining . Because it's breathable enough,So it won't stick to the clothes