White Lightning - Baseball Thumb Guard
Finding Your Perfect ThumbPRO® Size
ThumbPRO® sizing is based on weight ranges, but every hand is a little different. While you can measure your thumb using a string or ribbon around the thumb halfway between the first and second knuckles (as shown in the image above), we've found that weight is generally the most reliable way to determine your ideal size.
Weight-Based Size Guide
- Small: Under 115 lbs (youth, age 7+)
- Medium: 115–200 lbs (most teens/adults)
- Large: 200+ lbs (larger adults)
Your ThumbPRO® should fit snug, not too tight—because the right fit means maximum protection and confidence at the plate. If you're in between sizes, performance players often size down for a locked-in fit, while others size up for comfort. If you play with batting gloves, consider how the ThumbPRO® will fit over them.
We Stand Behind Every Swing
We're committed to helping you feel comfortable, confident, and unstoppable at the plate. That's why we offer our Perfect Fit Guarantee with free 30-day exchanges. Not the right size? No problem. Simply use our self-serve online portal to initiate an exchange—we've made it easy because we want you focused on your game, not hassles.
When you Swing Without the Sting™, you play your best. We're here to make sure you get there. 💪⚾
Watch: Pro Sizing Tips from Dalton Reeves👇
Check out this quick video from Pro Baseball Player Dalton Reeves of the Savannah Bananas ⚾
He shares tips on how to choose the correct ThumbPRO® size:
Have questions? We're always happy to help! Contact us here.
- Need it Fast? Choose Expedited Shipping at a Discount 📦
- ThumbPRO® USA and International Patented
Elevate Every Swing – White Lightning “Pure Power”
Elevate every swing with the ThumbPRO® White Lightning “Pure Power,” the clean, classic choice for hitters who value timeless performance. This crisp white thumb guard protects against bat sting and hand jamming while keeping your grip comfortable and secure. Made in the USA from shock-absorbing polymer, it fits left or right hand and stays in place through every at-bat. Backed by U.S. and international patents, it is trusted by players who know real strength comes from consistent mechanics and confidence at the plate.
✅ Protection
✅ Performance
✅ Comfort
Prevent Bat Sting
Protect your hand from painful jamming and vibration.
Engineered Fit
Ergonomic design stays securely in place while maximizing performance.
Unlock Your Swing
Avoid "death grip" tension for optimal bat control.
Increased Exit Velo
Testing shows up to 15% increased bat speed.
Specifications
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Medical-grade, shock-absorbing polymer
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Ambidextrous design for left or right-handed batters
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Available in three sizes: Small, Medium, Large (Youth through Adult)
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Works with batting gloves or bare-hand training
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Easy to clean — just rinse and air-dry
Trusted by over 30+ players in the MLB
Backed by U.S. and international patents. Proudly family owned. Made in the USA 🇺🇸
Every order includes a 30-day fit guarantee with easy size exchanges. If you're not satisfied, we'll make it right.
Questions? Use our chat box and we'll get back to you quickly.
Swing Without The Sting!™
White Lightning – Pure Power
White Lightning is the clean, classic choice for players who value timeless performance and pure power at the plate.
