The Launch GTS 9 is FUN! Built for speed, the new Launch GTS 9 is light enough for race day yet durable enough for every day training!  For those of you that like a tiny bit of a hug around your heal that leads into the arch, the guiderail support system is here for your support needs.  This new version boasts MORE BioMoGo DNA foam cushioning for a dynamically responsive ride. Still springy and energetic, this shoe has awesome cushion, stability, and durability. The mesh upper has been reengineered to be extremely light and breathable. Try the Launch GTS 9 for all your speedy runs!