Mesh uppers with synthetic overlays for support. Personal Heel Fitâ"¢ P.H.F.â"¢ provides two layers of memory foam to create a personalized fit. A central lacing system helps to keep your feet secured in place. Gender-specific cushioning. Dual-density DuoMaxÂ® Support System positioned to enhance support and stability. SolyteÂ® midsole enhances cushioning and durability. Impact Guidance SystemÂ® I.G.S.Â® linked, category-specific componentry that enhances the foot's natural gait. Rearfoot and Forefoot GELÂ® Cushioning Systems attenuates shock during the impact phase and allows for a smooth transition through the gait cycle. A hidden Trusstic SystemÂ® has been developed to allow full ground outsole contact all while providing the superb medial stability and torsional rigidity. AHARÂ® ASICS High Abrasion RubberÂ® delivers excepional durability in critical areas of the outsole. Re-designed PGuardÂ® Toe Protector designed to enhance durability. Rubber outsole with herringbone tread pattern provides exceptional grip on clay surfaces. Imported.