Almost all leagues are anything up to 2 3/4"
XL is the size they use a band that forms to your waist so they only have letter sizes
You can use Big barrel bats in middle school ball.
Look on the barrel to find out.
They use a official youth size football that you can find at any walmart or sporting good store
probably not
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There are over 60 kinds of barrel in use. You will have to specify WHICH barrel.
It is marked on the barrel. If obscured, have it verifed by a gunsmith
Ages 13 and up
The only rule for 14U Babe Ruth is the bat cannot be a youth Little League approved bat. In other words it must be a big barrel (2 5/8") bat. In 15U the bat must meet high school standards (-3).
Girls play with a 28.5 and boys play with a 29.5
A kids size football can be size 4-5 depends how old you think a kid is.