ASICS Women's GEL-Harumi 2 Running Shoe 100% Synthetic and mesh Rubber sole Rearfoot GEL Cushioning System attenuates shock during impact phase and allows for a smooth transition to midstance California slip lasting offers stability and comfort, and its removable sockliner can be taken out to accommodate orthotics Solid rubber outsole enhances durability and traction Reflectivity materials enhance visibility during low light hours