About This

• TRUSTED BY TOP PROS AND COACHES: Used by MATT FITZPATRICK to gain the speed necessary to win the 2022 US OPEN and trusted by Golf Digest’s top instructors, MARK BLACKBURN and CHRIS COMO as the top golf swing trainer for gaining distance.
• PROVEN SPEED GAINS VIA SCIENTIFIC RESEARCH: An analysis of over 35 MILLION SWINGS from more than 55,000 USERS shows average speed gains of 10.1 mph. TheStack is an ideal training tool for golfers seeking measurable, lasting results.
• 30 WEIGHT OPTIONS FOR PRECISE TRAINING: TheStack is engineered with 30 adjustable weight combinations, allowing PRECISE OVERLOAD AND OVERSPEED training that targets your specific needs to maximize training efficiency.
• AWARD-WINNING APP WITH PERFORMANCE TRACKING: TheStack App, available on iOS devices, COACHES you with timed sessions, TRACKS your personal bests, and COMPARES you to other Stackers. A 1-year membership to the App is included with purchase.
• FULL-FEATURED PUTTING APP INCLUDED: Stack Putting delivers GUIDED PUTTING PRACTICE SESSIONS and DETAILED INSIGHTS into your tendencies, helping you improve your performance on the greens.
• OPTIMIZE SWING MECHANICS: Access 60+ expert videos on swing mechanics, speed drills, and golf biomechanics, curated by DR. SASHO MACKENZIE. Practice the same moves that top PGA pros and renowned coaches rely on to build serious speed.
• REQUIREMENTS: The Stack System requires an Apple device with iOS 15.0 or later and a separate radar device capable of measuring non-contact swing speeds.