Design: The binder features an elastic band and adjustable three-row hook-and-eye closures on the side, as seen in the image, allowing the wearer to adjust the chest width for a customized and comfortable fit. Material: They are typically made from breathable, skin-friendly, and durable fabrics such as knitted fabric, cotton, or a nylon/spandex blend, designed for comfort and performance. Intended Use: These binders are popular among individuals who want their chest to appear flatter, including FTM, transgender, non-binary people, or for cosplay and sports. Colors: The style shown in the image is commonly available in both black and white.