This pattern is from the Colette Patterns company. It is for a classic men's casual shirt with a modern collar and midcentury style collar loop detail. The back is shaped with a yoke and two pleats. Version 1 has long sleeves finished with a placket and cuff. Version 2 has short sleeves. Sizes S to XXL. Skill level is Intermediate. Good for lightweight fabrics like cotton lawn, cotton voile. medium weight fabrics such as fine cotton shirtings, linen, flannel. Natural fibers are highly recommended.