Designed for athletes who never give up like Ja, the Nike Ja 2 Foundation are a tribute to the spirit of dedication and determination. Every ounce counts on the field. With an aerodynamic design that repels excess material while providing excellent support, these dynamic shoes offer optimal lightweight performance. The Zoom Air unit in the forefoot provides instant energy return ensuring the boost you need for vertical movements and excellent responsiveness. When you need fluidity and stability in directional changes, the traction system inspired by tractor tire technology steps in.