ike React HyperSet - The Nike React HyperSet lets you attack at full-speed, stop on a dime, elevate and land with confidence. The lateral strap and Flywire cables stabilize the fit, while Nike React foam creates incredible energy return to help keep the quickness in your game. React foam cushioning feels soft yet springy. Lightweight traction and support. The strap holds your foot for lateral moves. Flywire technology provides a lightweight, secure fit for your entire foot. NikeSkin overlay on the toe increases durability on the court. Rubber sole adds traction to help you change directions with precision.