P.H.F.Â® Personal Heel Fitâ€"two layers of memory foam that line the collar and mold to the athlete's heel, creating a personalized fit. Traditional lace up closure for optimum fit. The forefoot lateral propulsion design allows for responsiveness and control during intense play. PGuardâ"¢ Toe Protector for enhanced toe durability. SolyteÂ® midsole material that's lighter in weight than ASICS' standard EVA and SpEVAÂ® for enhanced cushioning and durability. A midfoot Trussticâ"¢ System provides improved torsional stability. Rearfoot and Forefoot GELÂ® Cushioning Systems attenuates shock during impact and toe-off phases while allowing movement in multiple planes as the foot transitions through the gait cycle. I.G.S.Â® Impact Guidance SystemÂ® linked, category-specific componentry that enhances the foot's natural gait. AHARÂ® ASICS High Abrasion Rubber placed in critical areas of the outsole for exceptional durability. Imported.