• The Asics GEL-KINSEI Blast Shoes are designed for distance runners seeking a smooth stride. They keep your mind and body energized to achieve your training goals. An arrangement of GEL technology and FF BLAST cushioning create a soft yet responsive step. After easing into the landing phase, the shoe propels you forward with a smooth transition. The midsole's shape is inspired by a samurai's curvaceous katana sword. With a Pebax plate in the center, this feature redirects your movement forward and gives your run a faster feel.
• Engineered knit upper: Asics GEL-KINSEI Blast Shoes provides excellent comfort and support.
• Pebax propulsion plate: Helps redirect the runnerâ€s energy forward and create a faster feel.
• FF BLAST technology: Provides lightweight cushioning and a responsive rebound.
• FLYTEFOAM technology: Generates lightweight cushioning and excellent durability.
• GEL Technology: Cushioning provides excellent shock absorption

*From the manufacturer's description