This design starts with a virtually weightless silicone frame that is shaped to fit you perfectly. The frame is covered in a soft, stretch lace and has a contoured pouch fit. To wear it, just spread the frame open around your most precious parts, adjust yourself into the contoured pouch, and the anatomically correct frame rests nicely between your cheeks. Medium size fits men from size small to medium with an average build, and Large size fits men from size large to xxl with a big build.