The fabric used in these casual sports suits is called "milk silk" and is primarily made of polyester fiber. In fact, 99% of the main fabric is made of polyester. These versatile and comfortable suits are perfect for use at home, offering a simple and natural style. With a thin and breathable design, these suits are suitable for females of all ages. Whether you're looking to stay active, relax, or stretch, these suits are a must-have for any wardrobe. They are expertly crafted with a plain weave and feature a lapel collar and round neck, with trousers that provide a cool and comfortable fit for any occasion. 1. Asian sizes are 1 to 2 sizes smaller than European and American people. Choose the larger size if your size between two sizes. Please allow 2-3cm differences due to manual measurement.