Pilling is the formation of small, hard balls of fabric on the surface of a garment. It can be a frustrating problem, but there are a few things you can do to avoid it.
One of the most important things you can do is to choose fabrics that are less likely to pill. Natural fibers like cotton, linen, and wool are less likely to pill than synthetic fibers like polyester and nylon. If you do choose to wear synthetic fabrics, look for ones that are tightly woven and have a smooth surface.