ASICS Hyper Speed 2 Men。* Breathable mesh upper: Helps you focus on your training as you move towards a new personal best * Higher stack height in the midsole: Creates a more energized stride * FLYTEFOAM cushioningProvides lightweight impact absorption.: Helps you conserve more energy * AHAR outsole: Improves durability. * 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: * Material: Mesh The HYPER SPEED 2 shoe helps you get to the finish line faster while using less energy. This shoe\'s fast design helps you focus on your training as you move towards a new personal best. Thanks to the shoe\'s higher stack height, it creates a more energized stride. This responsive rebound helps you conserve more energy, while propelling you towards a faster time.