Low-top, lace-up construction for an efficient and lightweight running shoe Latest evolution of a longtime Brooks favorite Breathable mesh upper adds much-needed ventilation 3D Fit Print balances stretch and structure to deliver adaptive comfort New, softer midsole and segmented crash pad team up for smooth transitions upon impact Underfoot cushioning reacts to your unique stride for personalized cushioning Incredibly soft DNA LOFT cushioning adds durable, long-lasting support Synthetic and Textile Upper, Rubber Sole