Textile and Synthetic Imported Rubber sole Shaft measures approximately Low-Top" from arch Rearfoot and Forefoot GEL Cushioning Systems: Attenuates shock during impact and toe-off phases, and allows movement in multiple planes as the foot transitions through the gait cycle. PGuard Toe Protector: Enhanced toe durability. Flexion Fit Upper: Proprietary upper which provides form fitting comfort without sacrificing support.