New! — The JumboMax Tour Series. Our Tour Series golf grips feature a deeply-textured, all-weather design for incredible feel and tackiness, and the performance better players require. The Tour Series takes JumboMax golf grips game-improving performance to a whole new level. JumboMax golf grips simply fit your hands better for increased distance, better accuracy and more solid ball striking. Our patented design and larger diameter provides a superior “Finger-Palm grip” that is revolutionizing the game of golf. Played by professional and PGA Tour winner Bryson DeChambeau. Independent tests by GolfTest USA and Golf Etc. showed that in nearly every category tested, from club head speed, launch angle, side spin, back spin to carry distance, JumboMax Grips outperformed standard golf grips. Once you try them you'll never want to go back to a "skinny" grip again. Patented. Conforms with USGA Rules. Promotes light, even grip pressure for faster club head speed. Shape: Oversized tapered profile keeps club face square longer. Color: Green/ Grey /Black. Firmness: Moderate Texture: Multi-textured, High-tack, All-weather Polyurethane surface. Vibration Dampening: High Standard .600 inch core diameter. Weight: Junior 87g, Medium 105g, X-large 120g.