Features include

Added depth in toe box and forefoot allows extra toe room to accommodate foot deformities, and provides lots of freedom in the toe area.
Their removable insoles allows adequate space to insert special insoles and orthotics.
Special Stretch materials are used in the manufacture of the shoes, to allow them to adjust perfectly to the specific problems of each foot.
Seam-Free lining protects the foot from pressure points and abrasions, which is so important for people who suffer from Diabetes.