Zipper Upgrade: Replaced with the well-known zipper brand SBS, and added the zipper self-locking function to prevent the zipper from sliding down.Size Medium fit for 30D/32B/32C/34A/34B.This zip front sports bra is made of 92% nylon + 8% spandex,highly elastic, comfortable and breathable.Front zipper closureRemovable bra period pads-The inside of the cup has a small opening that contains a removable pad. Removable pads are easy to put in & take out.Ultra-light no-chafe no-sweat, no-bounce,no burden, comfortable and fashionableMedium support Sports Bra for women ideal for everyday active lifestyle like Sports,Gym Exercise & Fitness,Yoga,Walking & Jogging & Running,Cycling,Boxing,Bowling,Tenis,etc.According to customer feedback, we have optimized the size chart, please carefully check the size chart in the third picture before placing an order. If you have any questions when choosing a size, you can contact us in time, and we will reply as soon as possible.