Shop X-Line X-Line Products Designed by in-house podiatrists, our X-Line range offers precision treatment for a range of foot and lower limb conditions. See our full range of products below. HomeShopX-Line X-Line Standard Insoles Make walking, running and standing a pleasure again with the X-Line Standard Insole, which helps to improve your foot’s function and relieve symptoms of foot fatigue. £16.50 + More Stay one steap ahead in the treatment of foot and lower limb conditions. Call the HealthyStep team on 01457 839549