Reviewers widely agree that JumboMax golf grips deliver a secure feel that reduces vibration, improves clubface awareness, and quiets the wrists for cleaner contact. However, testers split on the extreme sizing, noting that the bulky, putter-like profile takes time to get used to and may prove too large for smaller hands.
Strong consensus: 4 of 4 recommend. 4 reviews from 3 creators. 4 positive. Reviewer scores (0–100): median 92.
Where reviewers agree
Each theme groups reviews that make the same point. The lines under it are each reviewer’s point, summarised from their video — not direct quotes.
What reviewers praise
Better feel and control in the short game — Praised in 3 reviews
Josh Mayer: Reduced vibration/feel of the ball for smoother swinging (0:24)
James Robinson Golf: Reduces the likelihood of 'thinning' or 'knifing' delicate chips (0:33)
Gaz's Golf: Significantly improved feel and control during chipping
Locked-in grip and reduced wrist movement — Praised in 2 reviews
Josh Mayer: Very comfortable in the hands (0:24)
Gaz's Golf: Stops the club from slipping out of the lead hand
Gaz's Golf: Reduces excessive wrist flicking at the top of the transition
Clearer clubface awareness and setup confidence — Praised in 2 reviews
James Robinson Golf: Dramatically improves awareness of the clubface throughout the swing (0:33)
Gaz's Golf: Visual confidence from the larger profile at the top
Gaz's Golf: Multiple size options available to find the right middle ground
Consistent launch, spin, and accuracy — Praised in 2 reviews
Josh Mayer: Immediate, noticeable increase in accuracy (0:24)
James Robinson Golf: Promotes extremely consistent launch angles and spin rates (0:33)
Where they push back
Bulky feel and size require an adjustment — Raised in 3 reviews
Josh Mayer: Feel is very thick, similar to a putter grip (0:24)
Josh Mayer: May feel too bulky for golfers with smaller hands (0:24)
James Robinson Golf: Significant visual and tactile adjustment from standard grips (0:33)
Higher launch causes distance loss — Raised in 1 review
James Robinson Golf: Higher dynamic launch may lead to perceived distance loss (0:33)
Will it fix your miss?
Face control: 4 of 4 say it helps
Every verdict
Each reviewer’s point, summarised from their video.
Josh Mayer: Significantly tightens dispersion immediately by stabilizing the hands through the swing. — positive, 95/100. I Tested Ridiculous Golf Product Claims (352K views, at 0:24) · All Golfers · High Handicap
Gaz's Golf: Eliminates the unstable 'flick' at the top of the swing by filling the hand more completely. — positive, 85/100. How Jumbo grips fixed my swing with my Irons 👀 (3.3K views) · All Golfers · Players With Active Hands
Gaz's Golf: Larger grips provide a visual sense of increased control and significantly improved feel during the chipping motion. — positive, 92/100. This ONE change changed my CHIPPING forever 😍 (1.7K views) · All Golfers · Struggling Chippers
How this page is made: each reviewer’s verdict, pros and cons, sentiment, score and launch numbers are machine-extracted from their video — summarised, not quoted word for word. The themes are machine-grouped and the intro is machine-written from those summaries. We have not tested this product ourselves. Updated Apr 2026.