OL black and gray fine check wool long-sleeved shirtThe fabric is made of selected wool and breathable fiber blended,Super fine counts to create a three-dimensional checkered texture, soft and sticky when worn alone in spring and autumn,Custom-made mother-of-pearl shell buttons, each button has undergone multiple polishing processes,The back hem is designed with an arc shape, which naturally droops when sitting or standing, and is the same style for men and women, with three customized auxiliary materials