Wilson Ultra 100UL v3 Step up your swing with the Wilson Ultra 100UL v3! The lightest Ultra in the franchise, this tennis racquet provides easy playability and excellent versatility for junior players and adult beginners. The Crush Zone grommet system and Power Rib geometry combine to increase the racquet's hotspot, providing players with the confidence to take their swing from anywhere on the court. For tennis players who want surprising power in a lightweight frame, the Wilson Ultra 100UL v3 is worth the swing! Shoe Technology Power Rib throat geometry optimizes power through greater stability and stiffness. Crush Zone grommet system compresses at impact to boost power and ball dwell time on strings. Hotspot increases by 15% for more explosive power.