Product name: sports cut-out bra Fabric composition: nylon/nylon Season: All seasons U-shape back design, breathable mesh, perspiration during exercise. Non-steel ring design, three-dimensional support for the chest, reduce vibration. Single-layer breathable mesh fabric, can be worn 24 hours a day Cleaning: Hand wash or machine washable and hang to dry. Warm tips: the products are flat measurements, due to manual measurement, there will be about 2CM error. Due to the shooting lighting equipment and the difference between each monitor, there will be a slight colour difference. It is recommended to wash the product after receipt before wearing.