Dyeing polar fleece fabric

Dyeing polar fleece fabric creates a comfortable layer of insulation by trapping air in the pockets between its fibers (see diagram above). This helps to warm air, created by your natural body heat, next to your body .

Dyeing Polar fleece is used in jackets, hats, sweaters, sweatpants, cloth diapers (nappies), gym clothes, hoodies, blankets, and high-performance outdoor clothing. It can be made partially from recycled plastic bottles and is very light, soft, and easy to wash.
link:https://www.haoyangfabric.com/fleece-fabric/polar-fleece-fabric/dyeing-polar-fleece-fabric.html