Size: Large Men 10-13 Women 11-15 * Size: Medium Men 7-10 Women 8-11 * Size: Large Men 10-12 Women 11-15 * Size: X-large Men 13+ Women 15+ * The Pneumatic Walkertm Offers Enhanced Stability Mobility And Edema Control * Air Bladder Inside * Anatomically Designed In Three Sizes * Hcpcs Suggested Code: L4360