Halter neck style that brings the chest up to the center :) This design creates a fuller bust line. - I'll make you a slimmer with a point on the waist - You cannot adjust the size with the hook type. The neck strap is size adjustable. A basic cap is built-in, and a volume cap can be added. These are high-waisted panties :) - It securely wraps your buttocks, so you can enjoy swimming to your heart's content. - It is recommended to wear double lining or inner panties for panties!