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Available both stock/untouched and Heat Rolled with Progressive Pressure - choose your preference during checkout!
A young hitter’s first premium bat is a big moment, and the 2027 Mizuno CRBN PRO -11 is built to make it count. It’s the lightest drop in Mizuno’s flagship fastpitch line, sized in 28 to 31 inch lengths for the 10U, 11U, and 12U player who’s facing live pitching and needs a bat she can get through the zone on time. It’s also a two-piece, which is the part that matters for a kid who’s still learning where the barrel is. Mizuno’s Detonator COR construction joins a carbon handle to a carbon barrel so the vibration from an off-center hit gets absorbed at the connection instead of stinging her hands, and a hitter who doesn’t get stung in April is a hitter who’s still swinging with confidence in June. It wears the Black-Pink Tetra colorway, a dark barrel with pink and orange graphics, a matching gradient grip, and purple accents, which is going to turn heads in a 12U dugout.
Mizuno builds the CRBN PRO -11 with the same technology as the drops the high school and college hitters swing, because a young player’s bat shouldn’t be a watered-down version. The barrel runs Mizuno’s Paired Barrel Detonator COR technology, a double-wall design engineered to maximize energy transfer at contact and produce the deep, booming sound that CRBN hitters recognize, while keeping the swing weight low so the barrel stays quick for a developing swing. The two-piece Detonator COR construction isolates mishit vibration at the joint, and Mizuno’s patented Dual Frequency Dampener in that connection uses two different materials to reduce vibration without adding flex, so the bat stays responsive on a square hit and forgiving on a jam shot. Black Onyx Carbon in both the barrel and handle keeps it durable through a full season of cage work and weekend tournaments, Cylinder Seaming keeps the barrel consistent around its full circumference, and a Speed-Helix Grip finishes the handle. Balanced swing weight, full 2-1/4 inch barrel, approved for USA Softball, USSSA, NSA, ISA, and WBSC play, and backed by Mizuno’s one year warranty.
A -11 is often the first bat a family buys with real intention, and the sizing decision matters more than the logo. That’s what LongballBats.com is here for. We’ve been the Bat Performance Experts since 2016, our staff offers players, parents and coaches more than 100 years of combined baseball and softball experience, and we carry the full Mizuno CRBN lineup, so we can tell you honestly whether your hitter belongs in a 29 or a 30, whether the two-piece PRO or the one-piece CRBN1 fits her swing, and whether she’s ready to move up to the -10. Tell us her age, height, current bat, and what kind of hitter she is, and we’ll get her into the right Mizuno the first time. Right bat, right size, first try!
- Brand: Mizuno
- Sport: Fastpitch Softball
- Certification: Approved for USA Softball (ASA), USSSA, NSA, ISA, and WBSC/ISF leagues and tournaments
- Barrel Diameter: 2-1/4 inches, the largest allowed per stamp
- Drop: -11 drop weight, the lightest option in the CRBN PRO lineup, for maximum bat speed and control in developing hitters
- Two-piece all-composite construction with a Black Onyx Carbon barrel and Black Onyx Carbon handle for maximum performance and enhanced feel
- Two-piece Detonator COR construction that reduces vibration for a smoother, more comfortable feel at contact
- Paired Barrel Detonator COR technology, Mizuno’s double-wall barrel design for energy transfer at contact, a lower swing weight, and the distinctive CRBN hitting sound
- Dual Frequency Dampener, Mizuno’s patented two-material connection that reduces vibration while limiting flex for higher barrel performance
- Black Onyx Carbon composite for increased durability through a full season
- Cylinder Seaming for consistent performance and durability across the barrel
- Speed-Helix Grip designed for comfort and durability
- Balanced swing weight that keeps the barrel easy to control through the zone
- Available sizes: 28"/17oz, 29"/18oz, 30"/19oz, 31"/20oz
- Black-Pink Tetra colorway, a dark barrel with pink and orange graphics, a matching gradient grip, and purple accents
- Year Released: 2026
- One year manufacturer’s warranty from Mizuno
- Adding our Heat Roll with Progressive Pressure to your order may cause decertification, check with the governing body of your league for clarification
Manufacturing tolerances, performance considerations, and grip weight may cause variations from the listed weight.
We also carry the other 2027 CRBN PRO fastpitch bats in this release:
- 2027 Mizuno CRBN PRO Composite Fastpitch Softball Bat, Two Piece, -9 Drop, 340711
- 2027 Mizuno CRBN PRO Composite Fastpitch Softball Bat, Two Piece, -10 Drop, 340710
If you'd like to read all about their technology (and compare and contrast them with the 2027 Mizuno CRBN1 bats), click here to read our writeup on our blog!
FREQUENTLY ASKED QUESTIONS
QUESTION: Should I order this bat stock/untouched or Heat Rolled with Progressive Pressure?
ANSWER: If you order your new bat Heat Rolled with Progressive Pressure, it will be delivered to you completely and evenly broken in. This process adds 20-40ft of distance to your solid hits, increases consistency, improves durability and adds 2-3 business days of lead time to your order. If you plan to use the bat in an official game or event, please verify the legality of our process with your league or sanctioning body before use. We (LongballBats.com) do not encourage the use of a Heat Rolled bat in any game or event where it is against the rules. Click here for details about our process!
QUESTION: Is the CRBN PRO -11 too much bat for a young player?
ANSWER: No, and in some ways it’s the best bat in the CRBN lineup for one. Young hitters miss the sweet spot constantly, which is the job description at that age, and the thing that holds a 10 year old back is the sting from those mishits, not a lack of barrel. The PRO’s two-piece Detonator COR construction and Dual Frequency Dampener are built specifically to keep that vibration out of her hands, so she stays confident and keeps swinging through the ball. Add the Paired Barrel’s forgiving double-wall sweet spot and the -11’s light swing, and you have a bat that’s easy for a developing hitter to use well. The one caution is sizing: buy the length she can control now, not the one she’ll grow into.
QUESTION: What’s the difference between the CRBN PRO -11 and the CRBN1 -11?
ANSWER: Both are Mizuno’s -11 fastpitch bats in 28 to 31 inch lengths with Black Onyx Carbon and the full set of fastpitch approvals. The PRO is a two-piece, with a carbon handle joined to the barrel through Mizuno’s Detonator COR construction, so mishits feel smooth and vibration stays out of the hands. The CRBN1 is a one-piece, with a stiffer, more direct feel and Mizuno’s AntiShock taper doing the vibration work. For a young hitter, the PRO is the more forgiving choice and the CRBN1 is the one that gives clearer feedback about where the ball met the barrel. Both are good bats for this age. The PRO is the softer one in the hands.
QUESTION: When should my player move from the CRBN PRO -11 to the -10?
ANSWER: When she can swing the -10 drop at the same length with the same bat speed and timing as her -11, through a full practice and not just a few hard cuts. The -10 is one ounce heavier at equal length and runs 30 through 34 inches, so the natural move is a 30 or 31 inch -10 once she’s consistently driving the ball and her hands aren’t slowing down. If the extra ounce makes her late on good pitching, stay in the -11 for another season. A hitter who’s quick and confident with a lighter bat will outhit one who’s fighting a heavier one every time. Not sure? We're always happy to help, just reach out!
