The 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.This design features a primarily black color palette that's accented with subtle graphics.It also features silver accents for a sophisticated look.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.