# I.G.S.?: Allows for natural foot movement from heel strike to toe-off
# DuoMax? Support System: Maintains proper support for the foot during the critical transition from heel strike to toe-off
# Space Trusstic System?: Allows for greater midsole deformation and more efficient foot function
# GEL? Cushioning System: Provides maximum rearfoot/forefoot shock attenuation
# Biomorphic Fit Upper: Provides enhanced upper fit and comfort while limiting irritation