ASICS Women&#39;s GEL-Frantic 4 Running Shoe,White/Electric Blue/Black,8.5 B US,ASICS,T9C7N.0146" /> 100% Synthetic and mesh Rubber sole AHAR heel plug enhances durability at initial impact Compression molded EVA midsole provides shock attenuation throughout the gait cycle GEL Cushioning System attenuates shock during impact phase Rearfoot GEL Cushioning System provides shock attenuation in the heel Slip-lasted for flexibility and lightweight comfort