Women's Asics Dynablast 3 - Purple - Low-top sneakers The dynablastTM 3 shoe is designed for the fitness enthusiast seeking a comfortable offering for their run or training routine. A soft, engineered knit improves the shoe's fit, comfort, and breathability. This material is also reinforced with a notched tongue construction that helps reduce pressure points over the in-step. The flytefoamTM blast cushioning's energized softness provides a trampoline effect as you run. It helps create a smooth yet responsive feeling underfoot.