synthetic fibres are strong, elastic ,light, wrinkle resistant, and easy to wash and dry. even with so many advantages, we do not wear clothes made of pure synthetic fibre ,but a mixture of synthetic and natural fibers. why it is this necessary ?

synthetic fibres are strong, elastic ,light, wrinkle resistant, and ea

1.	synthetic fibres are strong, elastic ,light, wrinkle resistant, and easy to wash and dry. even with so many advantages, we do not wear clothes made of pure synthetic fibre ,but a mixture of synthetic and natural fibers. why it is this necessary ?
Answer» if we WEAR full sythetic fibres because they can cause allergic reaction to BODY and CATH fire easily and FEEL very hot