90% Nylon, 10% Spandex Imported Buckle closure Hand Wash Only High Quality MaterialKendally Sports Bra is made of Nylon and Spandex. There will be some friction between the bra and the skin during exercise, so we are very strict when selecting materials, and strive to use more skin-friendly, sweat-absorbing, and durable fabrics. Removable PadsRemovable pads are great when you want more coverage. The removable pads are easy to put in and take out, you can easily replace them. To maintain the shape of the removable pad, we recommend hand washing only. Kendally BrasLace/Front Cross/Side Buckles - Lace front cross straps provide double push-up to support breasts more effectively; 3 rows of side buckles provide you with gathering and adjustment for a perfect fit, effectively preventing shock and preventing breast pads from shifting or sliding, allowing You feel more comfortable. Perfect Design The elastic shoulder straps don't slip easily from the shoulders, no need to adjust. The wide design takes the load off the shoulders and provides optimal support. Low U shape racer back sports bra designed to fit all kinds of clothes. Perfect ApplicationWearing a sports bra is no longer just about working out. You can wear it even when lounging around the house, doing chores, running errands, or any other low-impact exercise.