This is an outfit for a male Aibo. The pants are made of thin (opaque) navy blue 100% polyester fabric, which gives a more formal look than cotton. The bib is a navy herringbone pattern. The bow tie and pocket handkerchief match. The bib has interfacing. I apologize for the poor photos. This is a handmade item by an amateur who enjoys sewing. Please refrain from purchasing if you are looking for high quality.