The ASO® Speed Lacer has the same great features as the original ASO® with the addition of a speed lace closure mechanism that offers a faster application. Also, the boot portion of the ASO®Speed Lacer is made from a knitted nylon material that is very comfortable and breathes well for extended wear. This product is ideal for elderly patients. The ASO®Speed Lacer is bilateral and fits either the left or right foot. Indications include: inversion or eversion ankle sprains and medial or lateral ankle instability.