This style is being discontinued and is replaced by the Sport Variant Click to View Sizing Guide * designed for Outdoor, Hiking, Snow Sports * 70 degree EVA shore hardness * fits well in most hiking boots * twill top cover designed to provide warmth for the feet The ARCHLINE Active Orthotics are high quality biomechanical orthotics.  Each pair features a Special Carbon Fibre Shell for extra support and energy return.  They are ideal for Higher Intensity Activity and Performance. They are 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.