Calvin Klein Black Pinstriped Two Button Wool Suit with Flat Front Pants Calvin Klein Black with subtle blue and tan pinstripes; 100% wool Jacket features a fully lined interior, two button closure, dual side vents, and notch lapels with a regular fit silhouette. Pants feature a flat front, zip fly with hook-and-button closure, lining until the knee and are unhemmed. Tag may read slim fit, however our customer feedback has informed us that it is in fact a regular fit.