Combed cotton is softer and of a higher quality than other cottons. First the cotton is carefully harvested and cleaned and then it is carded and combed. Carding separates the individual cotton fibres and runs them in the same direction, by passing them between moving surfaces. The cotton is then combed using fine, combing brushes which pull out the shorter fibres and impurities. The remaining cotton fibres are the longest and straightest ones, and once woven, produce a much smoother and higher quality fabric.