Mizuno
Mizuno F21 Carbon is a FASTPITCH-certified bat, sold in 31"-33", drops -9 to -10. It is a two-piece composite bat with a balanced swing weight.
The F21 Carbon is sold across the lengths and drops below. New to drop? How drop works.
Not every length is made in every drop, and stock varies by retailer — check the exact length and drop on the product page before you buy.
Check price on Amazon →Some product links on this page may be affiliate links. Syncrize may earn a commission from qualifying purchases at no extra cost to you. Prices and availability change often — confirm both on the retailer page. Read the full Affiliate Disclosure.
Drops across every FASTPITCH bat here run -8 to -11; the F21 Carbon covers -9 to -10.
Which of those sizes fits the player is a different question — it comes from age, height, weight, and swing preference, not from the bat. The finder works that out.
Find my FASTPITCH sizeFastpitch league stamp check. Fastpitch rules depend more on the league and event operator, so treat the certification note as a shortlist and verify the league-approved stamp list before checkout.
It is sold in 31"-33", drops -9 to -10. Not every length is made in every drop, so check the exact length and drop on the retailer page.
It carries the FASTPITCH stamp and is sold in drops -9 to -10. Check that your league accepts both the stamp and the drop before you buy.
The Mizuno F21 Carbon is a two-piece composite bat with a balanced swing weight.
Compare
Same certification, so these are legal wherever the F21 Carbon is. Put the F21 Carbon head to head against any of them.
CF
30"-34" Drop -8 to -11 Composite EastonGhost Advanced
30"-34" Drop -8 to -11 Composite EastonGhost Unlimited
31"-34" Drop -8 to -10 Composite Louisville SluggerLXT
30"-34" Drop -8 to -11 Composite MarucciEcho Connect
30"-34" Drop -9 to -11 Composite RawlingsMantra
31"-34" Drop -8 to -10 Composite