Designed with a lateral cutaway for an easy fit into a wide range of foot ware. Blue Medium density EVA provides excellent biomechanical control for general everyday use for patients of average weight (50-80kg). Suitable for most men's and women's dress or formal flat footwear. Rearfoot correction: 6 degrees. Shore 55 (weight guide 50-80 kg or 110-176 lbs). Heat moldable. Comes as a pair and are size extra large.