Speed lace closure: allows easier and faster application. Stabilizing straps: form figure-eight to protect and support ankle. Elastic cuff closure: enhances support from stabilizing straps. Low profile: will fit in any type of shoe. Bilateral design: each size fits left or right foot. Breathable nylon boot: enhanced breathablility for long-term wear. US manufacturing: higher quality control standards .Each ankle brace is sold separately.Machine wash gentle cycle, no bleach. Air dry