Cool And Durable Flannel And Mesh Design Provides Comfort Non-stretch Figure 8 Nylon Straps Add Support While The Heel Lock Helps To Prevent Inversion/eversion Figure 8 Strap Offers Increased Stability Mimicking Trainer's Tape Low Profile Design Allows Brace To Be Worn Inside An Athletic Shoe Strong Durable Breathable Material Recommended For Stabilizing The Ankle Joint Following Cast Removal Or For Mild To Moderate Sprains Suggested Hcpcs Code: L1902