5 Inch Shaft Height Plus Fitting System with Walk Right Technology Insole - two removable footbeds for the perfect fit Lightweight, Polyurethane Outsole – durable and slip-resistant Extended Medial Heel Stabilizer and Firm Heel Counter - cradles the heel and arch and reduces over-pronation Available in Widths: Narrow (2A), Medium (B), Wide (D), X-Wide (box labeled WW - 2E)