From SAS, the Tour Mesh Lace Up Sneakers feature: Leather and mesh upper Lace-up closure SAS Foot-Shape® Last Firm heel support and our exclusive EZ Lace™ system provides no bit adjustment across the instep SAS CoolStep™ foot beds are anti-bacterial, antifungal and washable TRIPAD® Technology: shock-absorption and support to the inside ball, outside ball and heel SAS Arcfit™ Heel Stabilizer gives firm but gentle heel support SAS SteadyTrac Midsole: A shock absorbing flexible lightweight unit with a forepart stabilizer that provides lateral stability throughout the walk cycle SAS Comfort Outsole™: SAS Comfort Outsole™ is a flexible, durable rubber compound Approx. 1.25" heel height Imported.