Men's shirts should have a classy look and be comfortable; therefore, many ETERNA shirts are made of Swiss Cotton, a high-quality, non-iron cotton fabric from Switzerland. This fabric produced exclusively for ETERNA is of exquisite quality and offers optimal wearing comfort. The quality label 'Swiss Cotton' is synonymous with carefully selected extra long cotton fibres and high-quality workmanship, made in Switzerland. Only about 3 per cent of all cotton produced worldwide meets the strict quality standards of Swiss Cotton. Men's shirts made of Swiss Cotton are a delight to wear and impress with their long life.