Calvin Klein Black Button-Up Tunic Shirt Medium This Calvin Klein black button-up tunic shirt in size Medium offers a sleek and versatile addition to your wardrobe. It features a classic collar, two front chest pockets including one with the CK logo, and roll-tab sleeves for adjustable length. The shirt is made in Indonesia and provides a comfortable, relaxed fit ideal for casual or office wear. Minor signs of use are present but do not detract from the overall appearance or wearability.