Benefits of 3D Flat stitching technology: Flat Knit, an advanced horizontal knitting technique, allows for customized stitching to achieve 3D shaping of the fabric, providing optimum fit.Contours to your ankle area, providing optimum support.Allows full range of motion while maintaining high level support.Medical grade compressionBreathable, multi-directional stretchRecommended use for minor to moderate ankle sprains and strains