It has a stretchable magic body (with Velcro) and a circular ligament guard; it is extremely easy to wear due to its wrap type structure. As there is solid sewing to wrap the elbow completely, and the entire surface is made up of special Velcro fabric, so you can fasten it anywhere on the surface and so it fits any elbow size perfectly. The donut-shaped ligament pad firmly supports the elbow and you won't have to worry about displacement. In winter sports, especially as a preventive measure, it also plays the important role as a supporter to guard the ligaments. As is fits extremely well, you won't even realize that you wearing it.