The ASICS Mens Dynablast 2 Running Shoes are designed for runners who want a comfortable ride. These shoes are responsive and made to improve your post-run feeling. The circular knit upper improves airflow and provides a supportive foothold. The FF BLAST technology provides lightweight cushioning and a responsive rebound. The underfoot cutouts provide excellent bounce. The OrthoLite X-30 sockliner provides soft step-in comfort.