Amp up your performance wearing the DynaFlyte Running Shoe by ASICS. Designed with Seamless construction, it offers ample comfort during extended runs. This DynaFlyte shoe features the FlyteFoam technology with organic fibers for a feather-like feel. Features Seamless construction FlyteFoam technology - lightweight midsole built with organic fibers I.G.S. Technology - enhances the foot's natural gait from heel-strike to toe-off Removable sockliner with the ComforDry Lasting technology - Anti-microbial, underfoot comfort providing breathable, moisture management Trusstic System technology - reduces the weight of the sole unit, without reducing structural integrity ComforDry Lasting technology - Anti-microbial, underfoot comfort providing breathable, moisture management Discrete Eyelets AHAR gum rubber outsole - High-abrasion rubber for increased traction and durability.