BOSS One Slim-fit Tuxedo Trousers combine tailored tailoring with formal tuxedo details for refined evening wear. The trousers are crafted in virgin-wool serge and finished with tonal silk-blend trims for a polished look. Key attributes: Black | Nero | Virgin wool | Hook-and-zip closure | Front French pockets | Back welt pocket | Tone-on-tone silk-blend trims | Pleats | Serge weave | Dimensions & fit: Slim fit | Composition & care: 100% virgin wool | Waistband: 78% silk, 22% polyester | Knee lining: 100% viscose | Do not wash with water. Do not bleach. Do not spin. Iron at low temperature. Gentle professional dry clean.