Its an "embroidered trouser kurta" made of "Slub khadder " textured mustard-colored fabric with red embroidery embellishments. It is a traditional outfit worn by people in South Asia, usually consisting of tight-fitting trouser, a long tunic (kameez). "Slub khaddar" typically refers to a textured, handwoven fabric often made from natural fibers like cotton or wool. "Mustard" is a color that resembles the yellowish-brown hue of mustard seeds. It would likely refer to a traditional South Asian outfit made from textured mustard-colored fabric with red embroidery embellishments. This type of outfit is popular in countries like Pakistan and Bangladesh and is often worn for various occasions, festivals, and cultural events.