Click to View Sizing Guide The ARCHLINE Relief Orthotics are high quality biomechanical orthotics. They are the World’s Most Easy-to-wear Orthotics. The Relief Orthotics feature a skin-friendly Plastazote Medical Grade Lining – ideal for diabetics, chronic pain and skin condition sufferers. Each pair features our signature orthotic sole footbed made with flexible lightweight materials and maps the entire soft tissue and muscle of your feet. The Archline signature orthotic footbed design accommodates and aligns the natural posture of the foot, relieving strain and over-extension of the plantar fascia muscle and providing optimal orthopedic comfort and support.