These size 5 to 6.5 Trio Easy Fit Insoles are excellent quality orthoses which are designed to provide support and stability to the medial side of the foot and the navicular.As a result, this narrower model is able to provide an improved fit in a vast range of shoes. The Trio Easy Fit Orthotic Insoles are contoured to improve the ability of the medium arch foot to function correctly and eliminate the cause of pain and discomfort. This foot type is loaded with body weight, forces can overcome the natural tendency of the medial arch to lower. The keystone of the arch is the navicular bone and when this is excessively loaded, the foot\"s supporting structures become stressed as the midfoot becomes less stable. Fitted with an anti-bacteria top cover and deodorizer ensures maximum levels of hygiene are reached when wearing the Trio Easy Fit Orthotic Insoles. These Trio Easy Fit Orthotic Insoles are for shoe sizes 5 - 6.5. We also offer other sizes are also available in this section of the website.