Adidas Women's Response Light 4 Running Shoe • Amazingly, Adidas Keeps Finding Ways To Make This Already Lightweight Running Shoe Even More Lightweight And Responsive • Ultra-high-abrasion Air Mesh Upper • Textile Lining • Removable Cushioned Insole • Adiwear Rubber Sole Offers The Ultimate In High-wear Durability With Traxion For Maximum Grip In All Directions • Adiprene Under The Heel For Superior Cushioning At Impact • Torsion System Provides Adaptive Midfoot Support • Adiprene+ In The Forefoot Maintains Propulsion And Efficiency • Compression Molded Eva Midsole For Lightweight Cushioning