BOSS BLACK PERFORMANCE - Modern fits combined with innovative fabrics for a dynamic lifestyle- Twill on jersey in cotton-polyester mix, that enables to move freely and easily for a modern business lifestyle. Included in the Performance capsule. - SLIM FIT- SLIM FIT SHIRT MADE OF HIGH PERFORMANCE MATERIALS - Button Down - fabric compositon; cotton blend - Fourwaystrech-high stretch style for the best wearing comfort - Breathable-Breathable fabric for pleasant wearing comfort all day long - Moistrue Management-Moisture Management for long lasting wearing comfort