Super Slim Single Cuff Twill Shirt BlueLouis Copeland has created the perfect shirt. Through research on wearing our own shirts and dealing with the best quality mills, we know how the shirt is going to feel when our customers wear it. The twill fabric we use from Thomas Mason gives the shirt great structure due to its high thread count while remaining soft and silky against your skin. This helps to keep its shape retaining a great look throughout the day from morning to evening. The