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DeMarini Whisper -10 Fastpitch Softball Bat: WBD2364010 Quantity
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  • Free Shipping

  • 2 1/4 Inch Barrel DIameter

  • Drop 10 Length-To-Weight Ratio

  • Balanced Swing Feel

  • Two-Piece, All-Composite Fastpitch Bat

  • Displays USSSA (New 'Fastpitch Only'), USA Softball (ASA), NSA, ISA & WBSC Certification Stamps

  • Colorway: White | Silver | Grey | Bronze Accents

  • NEW Amplified Gapped Wall Technology - Wide Gap Between Inner & Outer Walls Will Increase Performance & Create Bright Sound On Contact.

  • Continuous Fiber Composite Barrel - This Composite Allows For Weight To Be Strategically Added To Parts Of The Barrel For Increased Power. However, This Material Maintains A Balanced Feel.

  • Anomaly Connection System - Connects The Composite Barrel To A Stiff Handle That Provides Positive Feedback & Seamless Energy Transfer.

  • Composite Trumpet Handle - Stiff, Slightly Flared Handle Generates More Power On Contact

  • Anamoly End Cap - Crafted From A Blend Of Lightweight Materials That Will Maintain Barrel Integrity And Improve Barrel Performance.

  • Full Twelve (12) Month Manufacturer’s Warranty


2023 DeMarini Whisper -10 Fastpitch Softball Bat: WBD2364010

Speak softly and carry the 2023 DeMarini Whisper -10 Fastpitch Softball Bat to the plate!

Bat Features

All it takes is one swing to quiet the crowd, so you will want a bat like the 2023 DeMarini Whisper -10 to help you deliver in the clutch!

The Whisper is a brand new series from DeMarini and will be equipped with the most advanced technologies they have released to date.  The first of which will be the Amplified Gapped Wall Continuous Fiber Barrel.  DeMarini features similar gaps within their Prism+ fastpitch bat, but they go a step further with the Whisper by making the gap even larger! This ultimately increases the barrel’s performance and delivers a crisp sound on contact.

DeMarini installs their Anomaly Connection piece to conjoin the barrel to a stiff Trumpet Handle that provides the hitter with positive feedback and seamless energy transfer.

The Whisper will also be fitted with an Anomaly End Cap that is comprised of a mixture of durable and lightweight materials to maintain the barrel's dexterity.

This 2023 DeMarini Whisper features a drop 10 length-to-weight ratio and a balanced feel that will fit the bill for contact, slapper, and power hitters alike!


This DeMarini bat has been crafted with confidence. And due to that confidence, DeMarini extends a twelve (12) month manufacturer’s warranty period on it. If you have bought this bat from us and are having issues with it before 12 months have passed from the purchase date, just reach out to our Bat Experts. The Experts will get you the info you need to contact DeMarini and begin the warranty replacement process.


Average Ratings Based on 9 Customer Reviews

3.4444444444444446 Stars:Overall Rating
3 Stars: Durability
4 Stars: General Feel
4 Stars: Graphics
4.5 Stars: Pop
Search Existing Reviews
5 Stars: Overall Rating
5 Stars: Durability
5 Stars: General Feel
5 Stars: Graphics
5 Stars: Pop
Awesome Mike Parent

Pros: Everything we wanted....

Cons: Nothing as of yet.....

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2 Stars: Overall Rating
1 Stars: Durability
5 Stars: General Feel
4 Stars: Graphics
4 Stars: Pop
Great pop but no durability Shane Coach

Pros: Great pop when broke in and nice feel

Cons: Broke in under 30 days of just front toss, and soft toss in under 30 days in a climate controlled environment. Has happened twice

Was this review helpful?
3 Stars: Overall Rating
3 Stars: Durability
2 Stars: General Feel
4 Stars: Graphics
5 Stars: Pop
Great pop but stings the hands Thomas Kastl Parent

Pros: Grip and balance are great, smooth and easy to swing.

Cons: Bat vibrates and stings the hands even when hitting in the center of the sweet spot. Tee work or live hitting in a games my 14u daughter hates the sting.

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1 Stars: Overall Rating
1 Stars: Durability
1 Stars: General Feel
3 Stars: Graphics
1 Stars: Pop
Not good Jesse Coach

Pros: None

Cons: Got this bat as a replacement for a Louisville meta ( which is also junk). It cracked in multiple places on one side immediately. Has no pop and a weird vibration. There is no warranty because it’s a replacement. My daughter hates this bat. Do yourself a favor and buy a ghost.

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5 Stars: Overall Rating
5 Stars: Durability
5 Stars: General Feel
5 Stars: Graphics
5 Stars: Pop
Bat Brian Greenberg Parent

Pros: Great POP !!

Cons: None so far, my daughter has been using this Whisper since the first week that it came out, and she absolutely loves it over her Ghost !!!

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2 Stars: Overall Rating
1 Stars: Durability
4 Stars: General Feel
4 Stars: Graphics
4 Stars: Pop
Cracks Easily Phil Parent

Pros: Has good pop and feels balanced.

Cons: We went through 2 bats in 3 months. The first bat started to crack within the first 2 months of use, practice and games. The warranty replaced that bat, however, the second bat cracked again with same use even after a longer break-in period.

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4 Stars: Overall Rating
4 Stars: Durability
5 Stars: General Feel
5 Stars: Graphics
5 Stars: Pop
Everything I wanted Parent

Pros: Has Great feel 12U player loves the pop loves the feel. Right out of the box the bat felt great. Always had good luck with DeMarini bats. This is her 4th bat.

Cons: Wish there was a drop 11. However she got used to the weight pretty quickly now loved the feel of the drop 10.

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5 Stars: Overall Rating
5 Stars: Durability
5 Stars: General Feel
4 Stars: Graphics
5 Stars: Pop
Best decision George Parent

Pros: Hot out of the wrapper, ball jumps off the bat, replaced the old fnx

Cons: Have not had any cons as of yet

Was this review helpful?
4 Stars: Overall Rating
4 Stars: Durability
4 Stars: General Feel
4 Stars: Graphics
5 Stars: Pop
Good bat Branden Self Coach

Pros: Have around 300 hits on it right now daughter likes it big sweet spot Great pop

Cons: None so far

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Questions and Answers

Have a question about the DeMarini Whisper -10 Fastpitch Softball Bat: WBD2364010? Ask our team of experts and they will respond within 24 hours.

Does the gapped wall really generate more power and will this bat be better than the Prism? Ella Wade
Only time will tell in terms of how the DeMarini Whisper -10 Fastpitch Softball Bat: WBD2364010 is rated, in comparison to the Prism, with regards to the performance. Most likely, the performance will be roughly the same.
How does the barrel length and the swing weight compare with the Prism+? P
The swing weight feel on the DeMarini Whisper -10 Fastpitch Softball Bat: WBD2364010 is likely going to be slightly more, when compared to the Prism+ as the Whisper features a stiffer connection point. Barrel length would be roughly the same between the Whisper and the Prism+.
How does this compare to the CF? David Adams
The DeMarini Whisper -10 Fastpitch Softball Bat: WBD2364010 is a two-piece, all composite bat, just like the CF series, but will feature a different connection point design and an amplified gapped wall barrel.
Is this bat broken in before purchase? Allan
The DeMarini Whisper -10 Fastpitch Softball Bat: WBD2364010 does not require a break in. If you feel your bat is not at optimal performance out of the wrapper, we recommend about 50 swings either off of a tee or by soft toss with a rotation of the barrel after each swing.
Show all 4 Questions and Answers about the DeMarini Whisper -10 Fastpitch Softball Bat: WBD2364010

About the Brand

In 1992, DeMarini Sports had something to celebrate. The three-year-old company had climbed a rung on the proverbial ladder of success, moving its world headquarters from a dirt-floored barn to a slightly larger metal shack. "It was a big move for us," recalled Ray DeMarini from the batting cage of DeMarini Sport’s present-day Bat Industrial Complex. "The new shop was larger, more storm resistant, and -best of all- it had a heater."

In the early days, DeMarini Sports hardly made a blip on the radar screen of softball. With no retailers and virtually no advertising budget, DeMarini grew steadily by selling high-performance bats directly to customers. While established companies made "juiced" bats for the pros and ordinary bats for the public, DeMarini focused on making one line of high-performance bats for pros and amateurs alike. This approach, combined with a passion for the sport, led to the greatest innovation in softball history - the world’s first multi-wall bat: the DeMarini Doublewall.

Released in 1993, the DeMarini Doublewall was the world’s first multi-wall bat. Like a modern golf driver or oversized tennis racket, the Doublewall had a giant "sweetspot," which allowed average players to hit like pros. DeMarini’s sales exploded, and before long opposing bat manufacturers to notice. DeMarini - a homegrown company led by a softball fanatic - had shaken the establishment silly.

To understand the rise of the DeMarini Dynasty, you need to know Ray DeMarini. A cult hero among avid players, Ray DeMarini emerged on the professional softball scene at the age of 40, a veritable geriatric among younger players. With a scientific approach to training, a batting speed of 96 miles-per-hour and a bombastic attitude, DeMarini fast earned a reputation as a savage competitor.

In June of 1987, ESPN launched a nationwide search for a hardcore player to advise on a series of instructional softball videos. When approached by producer Erich Lytle, the biggest boys in softball repeatedly spoke of a five-foot-seven softball giant—Ray DeMarini. DeMarini had mastered reflex hitting, a technique that drops the ball squarely between the infield and outfield. Impressed with DeMarini's knowledge and scientific approach to training, Lytle not only hired Ray as an advisor—he hired him as the host. Together, they produced Ray DeMarini's Reflex Hitting System, ESPN's most successful home video to date.

Having garnered national recognition through ESPN, Ray turned his efforts toward designing a high-performance bat for the masses. To accomplish this, he needed an engineer. "Not just an engineer," he said, "but a boot-strapping rocket scientist who could build an empire with pocket change." Ray's call was answered by Mike Eggiman. Having grown up on a farm, Eggiman was adept at making the most of a situation. Case in point: the company's first piece of automated bat-making equipment had the heart of an abandoned washing machine.

With Eggiman as Chief Engineer, DeMarini Sports delivered a series of industry firsts: the first multi-wall bat (Doublewall Distance), the first high-performance bat for massive players (Fatboy) and the first high-performance youth bat (Black Coyote).

In 2000, DeMarini joined forces with Wilson Sporting Goods to develop the next generation of hitting technology. Ray believed it was a perfect fit, as both companies shared a vision of developing game-enhancing equipment for avid players. What’s more, the companies had complimentary products: Wilson was the leader in gloves, balls and protective gear, while DeMarini made the world’s finest bats. According to Chris Considine, Vice President/General Manager of Wilson Sporting Goods: "The thing that struck me most about DeMarini was their passion for sports and their true competitiveness.

Within a year, DeMarini unveiled the industry’s first concept bat, the $35,000 F1. Secured under lock and key at the DeMarini Bat Industrial Complex in Hillsboro, Oregon, the F1 served as a technological storehouse for future products, including DeMarini’s landmark Half & Half system.

In December 2001, 12 years after the genesis of DeMarini Sports, Ray DeMarini died of cancer in his Northwest Portland home. He was 55. The next summer, the Portland Metro Softball Association paid homage to the “King of Softball” with the dedication of Ray DeMarini Field. Formerly known as Delta #1, the field was DeMarini’s favorite place to test bats during the early days of business. Ray DeMarini—bat maker and player extraordinaire—was remembered for his high-performance softball bats and unwavering encouragement of everyday players. Today, a 40-foot sign announcing RAY DEMARINI FIELD graces the outfield, and an interpretive display chronicling Ray’s life greets players as they register for games.

More "Insane Dedication to Performance" is in store for tomorrow.

Demarini Customer Service

Bat Properties

DeMarini Whisper -10 Fastpitch Softball Bat: WBD2364010
Approved For ASA ISA NSA USA Softball USSSA WBSC
Barrel Diameter 2 1/4
Bat Construction Two-Piece
Bat Type Softball
Color Grey Silver White
Deals Personalization Eligible
Hitting Style Slap Hitter Contact Hitter Power Hitter
Length to Weight Ratio -10
Material Composite
Series Whisper
Softball Bats Fastpitch
Swing Weight Balanced
Vendor DeMarini
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Show Comparison
4.9 Star Rating, Google Customer Reviews