Elastic cuff closure decreases amount of inversion possible. Ballistic nylon straps-"figure 8" straps replicate ankle taping. * Low profile will fit in any type of shoe. Lace up closure means patient friendly application * Bilateral capability helps keep foot in neutral position. Ballistic nylon base provides tremendous strength to product / increase longevity of brace * Knitted nylon boot for easy application. Velcro lace closure enhances breathablility for long-term wear. * US manufacturing=higher quality control standards. The quick lacing feature makes the speed lacer different from regular ASO.