Pro Penn Infinity X-DUTY 4-PACK (tube of 3)

The PRO PENN INFINITY tennis balls are engineered for players who demand maximum feedback, precise control, and long-lasting performance. Featuring a thicker IMPACT CORE, these balls deliver powerful energy return, enhanced stability, and a solid feel at impact, while TRUBOUNCE technology ensures consistent, reliable bounce point after point. The innovative SPIN WEAVE woven felt enhances spin response and control, while DURAPLAY reinforced rubber helps extend durability and pressure retention for dependable performance over time. Featuring SMART OPTIK 360 high-visibility felt, the balls are designed for easier tracking during fast-paced rallies, building on Penn’s Smart Optik® technology, which makes its premium tennis balls up to 19% more visible than standard balls. Inspired by Penn’s reputation for high-performance tennis balls, trusted at four of the five largest tournaments in North America, the Infinity X-Duty combines advanced core and felt technologies for an outstanding balance of power, spin, consistency, and longevity. Penn’s premium tennis ball lineup also features exclusive LongPlay® felt for extended wear, and Penn Tour tennis balls are USTA and ITF approved.