SAS CoolStep™ Footbed, designed to keep the foot dry and comfortable
Leather and Mesh Upper
TRIPAD® Technology, comfort system that provides shock-absorption
SAS Arcfit™ Heel Stabilizer, gentle support to encourage proper heel strike
SAS SteadyTrac Midsole, shock absorbing flexible lightweight unit 
SAS Comfort Outsole™, flexible, durable rubber compound
SAS EZ Lace System, easy to slide the laces through D-shaped rings