Flat Knit Stitching Technology An advanced horizontal knitting technique allows for customized stitching to achieve 3D shaping of the fabric, providing optimum fit. Contours to your Elbow area, providing optimum support. Medical Application: Recommended use for minor to moderate elbow sprains, strains, epicondylitis and bursitis. Design Theory: Breathable, multi-directional stretch allows full range of motion while maintaining high level support. Click here to see Product Video!