{"product_id":"wilson-us-open-extra-duty-tennis-balls","title":"Wilson US Open Extra Duty Tennis Balls","description":"\u003cp\u003e\u003cstrong\u003eWilson US Open Extra Duty Tennis Balls\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Wilson US Open Extra Duty Tennis Balls are the official balls of one of tennis's four Grand Slam championships — the same ball used by the world's top professionals under the lights of Arthur Ashe Stadium at Flushing Meadows. Available for recreational and competitive players at every level, the US Open Extra Duty brings the Grand Slam standard to your hard court matches and training sessions, delivering the consistent pressure, reliable felt durability, and predictable flight characteristics that hard court players at every level depend on for quality play.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOfficial US Open Tournament Ball\u003c\/strong\u003e - The Wilson US Open ball has served as the official Grand Slam standard for the US Open Tennis Championships, subjecting it to the most rigorous ball performance standards in professional tennis. Tournament-grade balls undergo testing for pressure consistency, bounce uniformity, and felt durability that exceeds the specifications of recreational tennis balls — standards that benefit recreational players who want the same consistent performance the professionals use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtra Duty Felt Construction\u003c\/strong\u003e - The \"Extra Duty\" designation indicates a heavier, more durable felt weave specifically engineered for hard court surfaces, which are more abrasive than clay or grass courts and wear through standard felt more rapidly. Extra duty felt provides significantly longer felt durability and consistent nap coverage on hard court surfaces — both important for consistent ball flight and bounce predictability across the full useful life of the ball.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Pressurized Core\u003c\/strong\u003e - The US Open's rubber core is pressurized to precise specifications that deliver the bounce height, rebound speed, and compression characteristics defined by the ITF tennis ball standards. Consistent internal pressure is the foundation of consistent ball performance — every ball in the can bounces reliably and responds predictably to the same shot input.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConsistent Bounce and Flight\u003c\/strong\u003e - Wilson's manufacturing precision produces US Open balls with consistent bounce height (between 53\" and 58\" when dropped from 100\") and predictable flight characteristics that allow players to calibrate their shots, develop timing, and trust that the ball will respond reliably to their stroke mechanics rather than delivering erratic, inconsistent responses that disrupt skill development and match play quality.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eITF and USTA Approval\u003c\/strong\u003e - The US Open Extra Duty ball carries ITF (International Tennis Federation) and USTA approval for competitive play at all levels of organized tennis — from recreational club leagues through professional Grand Slam competition. Approved balls meet the regulatory specifications that organized competition requires, ensuring your practice and competitive balls are the same specification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHard Court Performance Optimization\u003c\/strong\u003e - Extra Duty balls are specifically engineered for hard court play — the abrasive court surfaces, characteristic bounce height, and ball speed profiles that hard court tennis generates. Players who compete and practice primarily on hard courts should use extra duty balls rather than regular duty (clay court) balls to get the performance characteristics and durability that hard court use demands.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Can Configuration\u003c\/strong\u003e - Available in the standard pressurized 3-ball can that maintains precise internal pressure from manufacturing through first opening, ensuring each ball delivers full tournament-grade performance when first put into play. The can's pressure seal is the freshness guarantee that every new can of Wilson US Open balls carries to your court.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Wilson US Open Extra Duty Tennis Balls are the hard court standard — Grand Slam-tested, ITF-approved, and engineered for the consistent performance, durable felt, and reliable bounce that serious hard court players at every level from recreational to competitive deserve in their training and match play balls.\u003c\/p\u003e","brand":"Wilson","offers":[{"title":"Can","offer_id":41916803579966,"sku":"WRT106200-CAN","price":7.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0629\/3372\/9342\/files\/93F3C19B-DA17-465C-BC0B-83CCEF9A8534.webp?v=1761879877","url":"https:\/\/busterpro.myshopify.com\/products\/wilson-us-open-extra-duty-tennis-balls","provider":"BusterPro","version":"1.0","type":"link"}