Poly mix worsted fabrics is by way of a mixing ratio of the poly 80% cotton 20% (Update: 17/12/2557) As the fabric soft and comfortable, but does not shrink as much as cotton 100% cotton because of the combination. . . Made of Polyester heat dissipation more difficult. And certainly not the fabric Shrink This popular fabric for working Clothes such as Heat Transfer Heat Transfer by TC when it comes to Cloth Color, Vintage Color Heat Transfer Because the fabric has a Poly High is on.