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 wrist area, providing optimum support. Medical Application Recommended use for minor to moderate wrist/thumb sprains, strains, and carpal tunnel syndrome. Design Theory Breathable, multi-directional stretch allows full range of motion while maintaining high level support. Click here to watch Product Video!