The leaders in Diamond Sports products.
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ThumbPRO® Baseball

Line Drive Lime - Baseball Thumb Guard

Expertly engineered. ThumbPRO® uses a patented performance design that stays in place every swing and absorbs impact on contact.

Line Drive Lime – Baseball Thumb Guard

Make Contact in Style

Line Drive Lime adds some zing to your swing bringing energy to your game with pro-level protection and personality. Absorbs impact, reduces vibration, and helps you stay locked in on every pitch. Proudly made in the USA.

✅ 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

  • Medical-grade, shock-absorbing silicone

  • Ambidextrous design for left or right-handed batters

  • Available in three sizes: Small, Medium, Large (Youth through Adult)

  • Works with batting gloves or bare handed

  • Easy to clean — just rinse and air dry

Trusted by pro players across the MLB

🔒 Backed by U.S. and international patents  
🤝 Family owned and operated  
🇺🇸 Made in the USA  

✅ 30-Day Fit Guarantee — Free size exchanges, no hassle  

💬 Questions? Use our chat box and we'll get back to you quickly.

$29.95 USD
Size

Secure payment options:

  • Visa
  • Mastercard
  • American Express
  • Apple Pay
  • Google Pay
  • PayPal

Warranty Information

All orders placed with Ultimate Baseball Supply come with the manufacturer's standard warranty. We are an authorized distributor of every brand we offer and product we carry on our website. 

To initiate a warranty claim for a product purchased at Ultimate Baseball Supply, please reach out to us directly at support@ultimatebaseballsupply.com for more information or visit our Warranty Page HERE for more information.

Returns & Refunds

All orders placed with Ultimate Baseball Supply are eligible for a return or exchange. Items must be received back at Ultimate Baseball Supply or Ultimate Baseball Supply's manufacturer locations within 30 days after your order arrives to be eligible for a full refund.

To allow for communication delays, please reach out to us within 21 days of your order arrival to initiate the return or exchange process. 

To get started with a Return or Refund request, or to learn more about our policy view our Return & Refunds Policy HERE.

Need Help? View Our FAQ

General Order & Return Information

Do you offer warranties on your products?

All orders placed with Ultimate Baseball Supply come with the manufacturer's standard warranty. We are an authorized distributor of every brand we offer and product we carry on our website. 

To initiate a warranty claim for a product purchased at Ultimate Baseball Supply, please reach out to us directly at support@ultimatebaseballsupply.com for more information or visit our Warranty Page HERE for more information.

How long will it take to receive my order?

Most orders normally ship out within 1-2 business days. Please note during busy periods or peak holidays, we may experience delays in fulfillment time.

If an item is on back-order, we will contact you as soon as it is on it's way to you.

What is the return policy?

All orders placed with Ultimate Baseball Supply are eligible for a return or exchange. Items must be received back at Ultimate Baseball Supply or Ultimate Baseball Supply's manufacturer locations within 30 days after your order arrives to be eligible for a full refund.

To allow for communication delays, please reach out to us within 21 days of your order arrival to initiate the return or exchange process. 

To get started with a Return or Refund request, or to learn more about our policy view our Return & Refunds Policy HERE.

How long will it take to receive my refund?

Refunds are processed within 7 business days from when we receive and restock the the returned item(s).