Aetrex Active Walker Lace. Designed to limit stress at the areas of the foot most susceptible to pain. Ambulator Biomechanical Footwear provides unsurpassed comfort and protection with unique features such as SmartGrip polyurethane soles - state-of-the-art removable comfort orthotics and soft leather linings. Recently updated with eye-catching styles - Ambulator Biomechanical Footwear is often recommended for diabetes - arthritis - or for those seeking a shoe that provides maximum comfort - stability and added protection. Aetrex items ship withing 48 hours or faster and have free return shipping on all exchanges.