Designed to tone muscles * California slip lasting offers stability and comfort, and a removable sockliner can be taken out to accommodate orthotics * Rearfoot GEL Cushioning System attenuates shock during impact phase and allows for a smooth transition to midstance, and ASICS High Abrasion Rubber is placed in critical area of the outsole for exceptional durability * Trusstic System reduces the weight of the sole unit while retaining the structural integrity of the shoe * AHAR (ASICS High Abrasion Rubber) is placed in critical areas of the outsole for exceptional durability