For faster strides, reach for the Dynablast 4 running shoe from ASICS. A must-have for athletic buffs, this pair is crafted with materials that are both lightweight and supportive. Including a shock-absorbing insole, a woven upper for breathability, and a strong rubber sole to pad your steps. TECHNOLOGY. Pronation: Neutral. Surface Type: Road. Engineered woven upper improves breathability. Underfoot cutouts provide excellent bounce. FF BLASTTM technology provides lightweight cushioning and a responsive rebound. OrthoLiteTM X-30 sockliner provides soft step-in comfort. AHAR® outsole rubber improves durability. Weight: 235 g/8.3 oz. Want more info? Learn how to buy running shoes. Shop ASICS Running Shoes. Woven fabric upper made with at least 50% recycled materials. Lace-up closure. Round toe. Padded collar. Synthetic lining. OrthoLiteTM X-30 footbed. FF BLASTTM midsole. AHAR® rubber sole. Color: white