Product Details. Silk Laundry Boyfriend Shirt Black. Designed to echo an original menswear style, our boyfriend shirt is a relaxed silhouette paired with a button-down front and utility pockets for versatile wear. - Material: 100% Silk, 16 momme. - Button down front. - Glossy sheen. - Breast pockets. - Internal French seams. - Fits true to size. - Model wears a size medium