Worn by her crew the disco shirt is often worn when running or doing day-to-day tasks aboard USS Discovery. The most notable character to wear the disco CTP shirt or command training program shirt was Ensign Tilly. Additionally, it is really comfortable - an item to fall in love with. - Slim fit with longer body length- - 100% Soft cotton (fiber content may vary for different colors) - Light fabric (4.2 oz/yd² (142 g/m²)) - Runs smaller than usual