Synthetic leather and textile combination uppersBreathable mesh upper with supportive overlaysDual axis forefoot flex channelsEncapsulated DynaThane in forefootReceptor's high abrasion resistant outsole rubberReplicates the natural flex patterns of the bare footSpecial selected tread pattern for street or other flat/smooth surfacesTop eyelet design to allow for "maxi fit" heel lock lacingReceptor RXP Plantar Fascia Bridge technology for maximum stabilityDual density medial heel post midsole for motion controlAnatomically correct angle of attack heel-strike zoneDual axis forefoot flex channelsEarth Sensing Unit for optimal reaction when your foot makes contact with the ground.