This Casual Long Sleeve Stand Collar Long Skirt Suit is made of a high-quality polyester, spandex and cotton blend fabric. The material is soft and comfortable, with a slim fit and slim silhouette that drapes beautifully on the body. The stand collar and long sleeves add a timeless look, while the stretch fabric provides a flexible fit. It's a great choice for a casual look with long-lasting performance and durability.