Upper: Kinetic Stitching locks your foot down and adds stability only where necessary. Knit Bootie construction fits like a custom glove. External TPU Heel Counter increases stability during run.
Midsole: Fresh Foam midsole in bigger hexes in heel for extra cushion and smaller hexes in forefoot for added stability provides excellent blend of comfort and responsiveness. 
Outsole: NDurance rubber outsole in a modified herringbone tread pattern provides great traction and durability on any court surface.