MVP Prime Baseball First Base Mitt 12.5"

12.5 in
Web not stated
Break-in game-ready
Closing medium

Mizuno MVP Prime Baseball First Base Mitt 12.5", first base mitts: photo from Mizuno — Photo: Mizuno

Facts as the maker states them, read 20 Oct 2026

A 12.5-inch MVP Prime first base mitt offered in right- and left-hand throw in a Black-Almond colorway, handcrafted with Bio Soft Leather. It uses professional patterns scaled down for smaller hands, Center Pocket Designed Patterns and professional-level lace.

Type	First base mitt
Size	12.5 in What this means Measured from the heel to the top of the index finger. Infielders use smaller gloves (10.25 to 11.75 in) for quick transfers; outfielders larger (12 to 12.75 in); first base and catcher's mitts are measured differently. Tip: Bigger is not better for a young infielder. A glove they can close beats a glove that looks like a pro's.
Leather	Bio Soft Leather
Hand	Right-hand throw or left-hand throw
Level	ballplayers striving to get to the next level
Also on the page	Bio Soft Leather: Professional style smooth leather that has the perfect balance of oil and softness Professional Level Lace: Same durable lace that's offered in our professional-level gloves. Outlined, embroidered logo: For a rich, premium look. Patterns Built for smaller hands: Professional patterns scaled down to provide more control for players with smaller hands. Center Pocket Designed Patterns Color: RH BLACK-ALMOND (R902) LH BLACK-ALMOND (F902)
Maker SKU	Style # 313061R9021250
The maker says	Made for ballplayers striving to get to the next level. Patterns scaled down to provide more control for players with smaller hands. Center Pocket Designed Patterns give the most versatile break-in possible. Firm control that serious players demand.
Source	usa.mizuno.com, product page, read 20 Oct 2026

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Not yet graded

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$140.00maker’s price, read 20 Oct 2026

See it on Mizuno's siteNo buy route yet: this link goes to the maker, and we earn nothing from it.

Fit profile

Stated comes off the maker's page; derived is worked out from what the maker states: its words, its leather, its numbers; graded is Patrick's call; unknown means the class is not known yet.

LeatherunknownNot known
Break-instatedGame-readyStated: page uses break-in or softness wording.
What this means
Soft out of the box and usable the first day. Made with softer leather that will not last as long as a stiff pro glove, which is fine for a growing player.
Tip: For most players under 12 this is the right answer.
Closing effortderivedMediumDerived from break-in class.
What this means
How hard a young hand has to squeeze to close the glove on a ball. Easy means a soft build and a smaller pattern; hard means stiff leather or a big mitt.
Tip: If your player drops balls that hit the pocket, closing effort is usually the reason, not the hands.
PocketunknownNot known
BackunknownNot known
Hand openingunknownNot known

Does it fit my player?

Compare with: Rawlings Player Preferred 12.5 in First Base Mitt, Akadema ADJ154 First Base (LHT Special), Rawlings 2022 Sandlot Series^™ 12.5-Inch First Base Mitt. Same kind of glove, same size.