The Dr. Comfort Sandy - Flex-OA - The new X-Sole Relief Technology in our Flex-OA Comfort Footwear Collection takes a
new approach to relieving pain and delivering true comfort. Patented biomechanical features work to naturally change the
loads across the knee helping relieve pain and slow the progression of osteoarthritis, or OA. Characterized by
degeneration of cartilage and its underlying bone within a joint, OA is most common in the knees. Studies conducted by
rheumatology experts at Rush University Medical Center on the patented design of Flex-OA Footwear found participants
wearing the shoes experienced knee load reductions of 20 percent on average It's as easy as putting on your shoes!