Ww812so is part of DesignerShoes.com's Active collection. Ww812so is a low heel casual mule. New Balance is known for fabric, mesh or leather uppers and patented tech crafted latex rubber and polyurethane soles. New Balance's women's shoe size run is typically 5 narrow (N) to 13 extra extra wide (WWW).This is a casual mule. A slip on mule style for those who require additional stability from a walking shoe, the 812 is equipped with the ROLLBAR for maximum motion control. This popular fitness walker is a high level performer, helping keep your feet comfortable and healthy whether you're walking for miles to keep fit or spending hours each day working on your feet. MATERIALS: Synthetic upper, polyurethane midsole, premium foam.