As someone who lives with sensitive skin, you know that anything that comes into contact with your skin may cause irritation. Our clothing is in constant contact with our skin, so the fabrics really do matter. Activewear is especially damaging to sensitive skin because you are perspiring, moving around, and out in the sun.
Research into skin sensitivity shows that the worst fabrics for sensitive skin are acrylic, rayon, polyester, spandex, viscose, and acetate. Unfortunately, these are also the most common fabrics that are used for activewear.
When you wear activewear that is made from any of these synthetic fabrics, you may notice stinging, redness, itching, rashes, and other symptoms.