Infinion midsole technology for long-lasting performance with enhanced cushioning and energy return; Molded contour details are an expressive, novel design that provides texture and visual depth; Perforated mesh upper is lightweight and breathable; Rubber outsole; Best for Everyday Running, Long Runs; Cushion: Extra Soft; Support: Neutral; Heel/Toe Drop: 6mm; Weight: 261 grams (9.2 oz)