A modacrylic shirt is a type of workwear made from a modacrylic blend of cotton. It can be used in many fields such as: oil and gas development, oil refining, chemical industry, and energy. Modacrylic shirts provide comfort. The fabric from which modacrylic shirts are made is soft and does not obstruct movement, making it recommended for workwear: EN 11612 "Clothing for protection against heat and flame".