Experience explosive power with the Wilson Ultra 25 v5! This junior frame is perfect for young players with serious ambitions on the tennis court. Designed with targeted flex adjustments for increased power potential, spin generation and ball pocketing, the Wilson Ultra 25 v5 unlocks a wider range of shots for hard hitters. Racquet Technology Recommended for ages 9-10 Click-and-go bumpers & grommets improve durability with a superior fit and added style. Spec tolerance improves weight, balance and swing weight consistency for reliable power racquet to racquet. (Weight +/- 5g, Balance +/- 7.5mm, Swing Weight: +/- 10kg-cm2) Crush Zone compresses at impact to boost power and ball dwell time on strings Dual-Taper Beam enhances power with every swing. Parallel Drilling provides a consistent, more forgiving string bed response Si 3D technology optimizes three-dimensional frame bending for targeted power, spin and control. Ultra's bending increases power potential, spin generation and ball pocketing.