ASICS Men's GEL-Strike 2 Running Shoe Synthetic and mesh Rubber sole Reflective materials enhance visibility during low light hours California Slip Lasting provides stability and comfort Rearfoot GEL Cushioning System attenuates shock during impact phase and allows for a smooth transition to midstance AHAR high abrasion rubber is placed in critical areas of the outsole for exceptional durability Solid rubber outsole enhances durability and traction