Excellent for post-operative patients in need of lateral support, the Horizon™ 637 LSO provides relief for secondary back pain resulting from surgery or injury. The addition of moveable, rigid side panels provide lateral support and a comfortable environment for healing. The Horizon 637 provides a therapeutic level of compression for targeted pain relief. One-size adjustable, all Horizon braces comfortably fit waists ranging from 24-70 inches*, and can be stepped down to the Horizon PRO (Pain Relief Orthosis) for the treatment of recurring back pain.