ASICS Women's GEL-Strike 2 Running Shoe Synthetic and mesh Rubber sole Synthetic leather and mesh upper is lightweight, comfortable and breathable, enhancing performance and fit Reflectivity materials enhance visibility during low light hours 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 AHAR (ASICS High Abrasion Rubber) is placed in critical areas of the outsole for exceptional durability Solid rubber outsole provides enhanced durability and traction