If you watch a lot of MLB games, then you’ve probably noticed that hitters in the on-deck circle put weighted “donuts” at the end of the bats to make them heavier.
These bat weights are used for warming up a batter before they get to hit.
Although more recent research seems to suggest that it may actually hinder physical performance when you immediately take to the batter’s box after using the bat weight.
Last update on 2025-04-22 / Affiliate links / Images from Amazon Product Advertising API
Features of the Varo Bat Weight
There are two versions of the Varo baseball bat weight.
One is the more traditional Varo Cor, while the new Varo Arc offers a more authentic barrel feel.
The Cor offers the 2o ounce traditional weight, and it fits baseball bats that measure 2 3/4 and 2 5/8 inches.
You just slide the bat through the top end of the bat weight. The unique True-Fit Core makes sure that the Cor fits with your bat size and barrel type snugly and precisely.
Once you’ve got them on, the traditional weight distribution spreads the weight at the barrel. This makes sure the feel is more balanced.
Is This Just Another Baseball Bat Weight?
One problem with traditional bat weights is that they can lock on to the sweet spot. So the friction it applies may end up damaging the sweet spot.
That’s not the case with the Cor at all, because it catches and locks onto the taper of the bat instead. This protects the sweet spot, and a precise fit is possible regardless of the type of bat used.
It can be used for an aluminum bat for youth leagues or a wooden bat for professional MLB games, and the fit is still precise.
The weight even has a revolutionary set of diffusing holes.
With these holes putting more emphasis on natural wind resistance, it somehow creates a lighter body.
The Arc is different in some ways.
First of all, it only weighs 12 ounces. It also provides a “barrel feel” because it disperses the weight up to the end of the bat.
And it also fits 2 1/4 barrel bats, aside from those that measure 2 3/4 and 2 5/8 inches.
How Else Can This Bat Weight Improve My Game?
It improves your mechanics, and it also strengthens your muscles that are specifically needed for baseball and softball.
Again, it is fitted with True-Fit Core and it’s made of durable dual-layer composition. This again means that you don’t mess up the bat’s sweet spot with your weight.
And it can also fit all types and sizes of baseball bats. And it even offers more diffusing holes than the Cor.
Pros and Cons of the Varo Bat Weight
Aside from warming up on the on-deck circle to loosen your muscle and to instill you with confidence, using the Varo Bat Weight provides you a great way to improve your hitting performance in your regular training.
First of all, constantly swinging a weighted bat strengthens the muscles involved in hitting. We all know that weights develop muscles that lead to improved strength.
The forearm muscles are needed to make sure you still maintain a level swing path even as you swing a weighted bat.
When you don’t work your top forearm, you end up hitting lots of weak pop ups.
Your deltoid muscles are developed and strengthened as well. Then you have to work your deltoids more vigorously so that you can control your weighted bat.
The same is true for the side obliques and the abdominals. So you’ll need to use your whole body when you swing. If you don’t use or develop your core hitting muscles, you get a lot of easy fly balls and lazy ground balls instead.
The Benefits of This Bat Weight Don’t Stop There
Finally, using a weighted bat exposes any type of “cheating” or shortcut that you may habitually use when you swing the bat.
You won’t be able to lunge at the baseball with a one-handed swing. You just won’t be able to do that sort of thing with a weighted bat.
One-hand swings increase your strikeout rate, and it causes you to lose power as well, and you need to stop doing that sort of thing.
Other mistakes can also be exposed. It will become obvious when you open too early with your front shoulder.
And it will also expose the truth if you tend to dip your back shoulder so that you drop the barrel head through the hitting zone. When you drop the barrel head, you end up either popping the ball up, or just missing it completely.
So all in all, you can use the Varo Cor or the Varo Arc depending on your preference. They’re very affordable, and players (even professional ones like Alex Gordon) and various youth league coaches attest to their effectiveness.
Of course, the main problem with the Varo Bat Weight is that it is not designed for live batting, but this is the same limitation that applies to all bat weights in general.
You can’t just use it to strike baseballs and softballs. You’ll need a very heavy training bat for those types of exercises.
Verdict
I highly recommend the Varo bat weight to any player whether you’re in a travel league, Spring league, high school, college or the Majors.
The Varo baseball bat weight looks cool. But it’s designed to help you become a better hitter, and not just to make you look cool while on the on deck circle.
All in all, it’s a great hitting tool to help you become stronger while you improve and perfect your mechanics.
During a game, it can also help you warm up. It protects your bat’s sweet spot so you don’t mess it up and consequently mess up your hitting.
When you suddenly find yourself getting more control over the bat because of the lighter weight when you remove it, it can really boost your confidence—and believing is the first step to getting a hit in baseball.
Oh, you wanted to know the answer to the main question. Why are professional players using the Varo bat weight?
Varo ARC Bat Weight 
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