REARFOOT AND FOREFOOT GEL TECHNOLOGY CUSHIONING SYSTEMSAttenuates shock during impact and toe-off phases, and allows movement in multiple planes as the foot transitions through the gait cycle. | PGUARD TOE PROTECTOREnhanced toe durability. | FLEXION FIT UPPERProprietary upper which provides form fitting comfort without sacrificing support. | REMOVABLE SOCKLINERA sockliner which can be removed to accommodate a medical orthotic. | AHAR PLUS OUTSOLEStrategically positioned in critical areas of the outsole, this exceptionally durable compound is 50% more durable than standard ASICS High Abrasion Rubber. |