The online product description is below. The pair is used with some signs of having been worn on the inside only. Naot Womens Mary Jane, Kirei Beautiful unique stitched detailing over a soft suede and leather upper, thin hook and loop strap that fastens over the instep. Merchant Note: The Naot Women's Mary Jane, Kirei is part of Naots Koru Collection. Widths in the Koru Collection are true medium. Naot Womens Mary Jane, Kirei has the following features: Suede-coated insole, made of natural latex and light cork materials, to help absorb moisture High-quality rubber, polyurethane sole that retains flexibility and resists erosion Shock-resistant footbed thats made with natural materials and wicks away moisture to protect your feet An anatomical wide footbed that provides support and distributes body weight equally over the entire foot Elevated footbed center that releases pressure in the joints of the central part of the foot Built-in hallux support that provides a comfortable hold for the big toe, preventing the foot from slipping forward and keeping the foot in a stable, orthopedically sound position Arch support that enables the bodys weight to be correctly distributed and reduces pressure generated by the spinal column and joints Deep heel indentation to help the bodys balance and maintain the natural shape of the pad of the heel, protecting the heel bone 3/4 heel