Inspiring The Modern Gentleman. Sir Gregory brings you your go to, 100% Cotton, Tuxedo Shirt for any formal or Black Tie event! This Regular Fit style includes Cuff Links and Studs! Sir Gregory knows you won’t always use the cummerbund so he has included a 5th stud to fill that void. The shirt can be converted from studs to regular buttons. With a Wing Collar, one quarter inch pleats, and a French Cuff this shirt Style is timeless. Wear in good health.