2023 Mizuno F23 CRBN1 Fastpitch Bat Review
The 2023 Mizuno F23 CRBN1 was the most-used bat at the 2023 NCAA Women's College World Series — a one-piece carbon composite with a big barrel and light swing, at a price well under the premium class.
The Score
How we score ↗How big and forgiving the barrel is — based on barrel length, construction (one- vs two-piece, alloy vs composite), and how it plays on balls hit off the center. A primary driver of the overall score.
Raw exit velocity and distance. We use measured numbers from freely available independent testing when they exist; otherwise construction and consensus, judged against the certification’s performance ceiling. A primary driver of the overall score.
Comfort and feedback on contact — vibration dampening from the knob/connection, the sting of a stiff one-piece vs a smooth two-piece, and the sound off the barrel. A primary driver of the overall score.
How well it holds up and how the company stands behind it — documented cracking/denting reports, cold-weather behavior, and the brand’s real warranty record. Good to know, but weighted lightly in the score.
Our take on price-for-performance — the overall package weighed against its cost and what comparable bats run. Shown for context; it is NOT factored into the overall score (price changes too often and is personal).
Why this score: Elite-level performance — proven by its WCWS usage — at a price well below the premium class makes the CRBN1 a value standout. It trails the Ghost only on dampened one-piece feel, which keeps that single category in check.
Our Review
The F23 CRBN1 earned its reputation the hard way: it was the most common bat in the lineups at the 2023 NCAA Women's College World Series, with elite hitters choosing the one-piece CRBN1 over Mizuno's own two-piece options. It is built around a Black Onyx carbon barrel with X-Zone technology, which tunes the composite across the barrel to widen the sweet spot, plus an Anti-Shock taper for durability and a sound hitters love. The one-piece design gives it some stiffness, though the all-composite build still flexes enough to stay comfortable, and it swings balanced and light. The standout is value: it delivered top-level performance at a list price around $300, well below the premium two-piece bats. The one-piece feel won't suit everyone, and it doesn't quite match the Easton Ghost on dampened smoothness, but as a discontinued model now at closeout pricing it is one of the best performance-per-dollar bats in fastpitch.
Also worth a look: Easton Ghost Unlimited — our top fastpitch pick.
Pros & Cons
Pros
- Most-used bat at the 2023 WCWS — proven elite performance
- Big X-Zone sweet spot and strong exit speed for the money
- Exceptional value, especially now at closeout pricing
Cons
- Stiff one-piece feel won't suit hitters who prefer a two-piece flex
- Dampened smoothness trails the category-leading Ghost
Full Specifications
| Brand | Mizuno |
|---|---|
| Model | F23 CRBN1 |
| Model Year | 2023 |
| Certification | Fastpitch |
| Sport | Softball |
| Construction | One-piece composite (Black Onyx carbon, X-Zone double-wall barrel, Anti-Shock taper) |
| Model # | 340549 |
| Drop | -10, -9 |
| Barrel | 2 1/4" |
| Swing Weight | Balanced |
| MSRP | $299 |
Where to Buy
2023 Mizuno F23 CRBN1 Fastpitch Bat — FAQ
Is the 2023 Mizuno F23 CRBN1 a good Fastpitch bat?
We rate it 8.6/10 (Grade A). The 2023 Mizuno F23 CRBN1 was the most-used bat at the 2023 NCAA Women's College World Series — a one-piece carbon composite with a big barrel and light swing, at a price well under the premium class.
What drops does the F23 CRBN1 come in?
The 2023 F23 CRBN1 Fastpitch comes in -10, -9.
Is the Mizuno F23 CRBN1 Fastpitch-legal?
Yes — it's Fastpitch certified by the certifying labs. Meets USA Softball / USSSA fastpitch standards — legal for sanctioned fastpitch play.
How much does the 2023 F23 CRBN1 cost?
MSRP is $299. We list the lowest price across CheapBats and Amazon on this page.
New to buying bats? Read our bat sizing guide, certifications explained, or browse all guides.
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