ThumbPRO® Baseball Thumb Guard FAQ

About ThumbPRO

What is ThumbPRO?

ThumbPRO is the #1 patented, premium performance baseball and softball thumb guard, Made in the USA. It eliminates bat sting by absorbing impact at the point of contact, comfortably locks in place every swing, and protects the top hand whether you are crushing outside pitches or fighting off inside heat. Trusted by hitters from youth and Little League through MLB. Read the complete hitter's guide.

How does ThumbPRO work?

ThumbPRO's patented contoured design wraps naturally around the top hand thumb, absorbing shock and vibration the moment the bat makes contact. It keeps the bat up in the fingers for better feel, grip control, and swing confidence without changing your mechanics. See the full performance breakdown.

Is ThumbPRO patented?

Yes. ThumbPRO is protected under U.S. and international patents, copyrights, and trademarks. All production is overseen in Concord, MA, USA. No other thumb guard is engineered like it. Read about the innovation behind ThumbPRO.

Who uses ThumbPRO?

ThumbPRO is used by hitters at every level: youth players age 7+, travel ball, high school, college, MiLB, and MLB. With nearly 1,000 reviews averaging 4.9 stars, a return rate under 1%, and 3 World Series championships in 3 years, it is the most proven baseball thumb guard on the market. Once players hit with ThumbPRO, they never switch. It's the best in the game.

Does ThumbPRO work with batting gloves?

Yes. ThumbPRO works with or without batting gloves. It is worn on the top hand. If you wear batting gloves, ThumbPRO goes over the glove.

Can softball players use ThumbPRO?

Yes. ThumbPRO is used by fastpitch and slowpitch softball players at every level who want to eliminate bat sting and protect their hand during contact.

Is ThumbPRO legal in Little League and MLB?

ThumbPRO is approved for use across travel ball, high school, college, and MLB. It is worn on the player's thumb as protective equipment and does not attach to the bat, which is the key distinction. Read the full 2026 Little League update.

Why ThumbPRO vs. other thumb guards

What makes ThumbPRO different?

ThumbPRO is the only baseball thumb guard made from premium medical-grade silicone, not TPE. That difference matters across a full season. Read the full comparison guide.

ThumbPRO — premium silicone Competitors — TPE material
Bat sting protection Consistent every at-bat, all season Inconsistent performance
Cold weather Stays flexible Stiffens, transmits more vibration
Hot weather Maintains structure Softens, loses resilience
Comfort and feel Natural flex during the swing Stiff or soft plastic feel
Durability Holds shape all season Prone to deformation

Sizing

What size ThumbPRO do I need?

ThumbPRO is sized by weight. Most youth players under age 10 wear a Small, but every player is different. If between sizes, size down for a tighter performance fit or size up for more comfort. Find your exact fit in 30 seconds.

Small
Under 115 lbs
Youth players, age 7+
Medium
115 to 200 lbs
Most teen and adult players
Large
200+ lbs
Larger adult players

What if I order the wrong size?

No problem. ThumbPRO offers free size exchanges within 30 days. Start your size exchange here.

Learn more

Still have questions? Visit our general FAQ for shipping, returns, and orders.

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