The DYNABLAST™ 4 shoe is designed for the fitness enthusiast seeking comfort for their runs or training routine. ​A soft, engineered woven upper and mesh tongue improves the shoe's fit, comfort, and breathability. ​The midsole and outsole are engineered to target the ball of your foot and heel striking zone. This helps create a higher energy return and more bounce at a lower stack height. Style #: 1011B697.003 UPC #: 197298476669 Tech & Materials Engineered woven upper Improves breathability FF BLAST™ technology Provides lightweight cushioning and a responsive rebound Underfoot cutouts Provide excellent bounce OrthoLite™ X-30 sockliner Provides soft step-in comfort AHAR® outsole rubber Improves durability At least 50% of the shoe’s main upper material is made with recycled materials to reduce waste and carbon emissions The sockliner is produced with the solution dyeing process that reduces water usage by approximately 33% and carbon emissions by approximately 45% compared to the conventional dyeing technology