You need to look good at work, and Dickies long sleeve denim work shirts can help you complete that stylish look with 100% cotton fabric and a relaxed fit. Long sleeves and button down collar give you that professional, yet casual look. Two (2) denim shirts in medium blue and dark blue cotton denim Size: Medium (15-15 1/2 neck) Brand new. Factory folded. Original Dickies packaging. These two shirts are left over stock from an embroidery job a few years ago. These look amazing with an embroidered logo above the left front pocket. You can also embroider the back or sleeves with ease. Red thread looks so good on blue denim.