I dressed Jonah in some denim overalls and as he ran off I thought they looked a bit odd.  He was showing a bit too much leg.  A sudden growth spurt, I surmised.  But then remembered this was Jonah. 

I looked at the size tag to be sure - turns out one of his old overalls somehow got mixed in with his current clothing.  At 29 months, Jonah still fits into size 6 month overalls.