Question: what is 2t 3t 4t?
Answer: Yes basically-after 24mths or at 2yr old-toddler clothes are labeled as 2t, 3t, etc just meaning toddler instead of infant size so as example 3t would generally fit a 3yr old. Sherry LA. · January 27, 2014. Do you find this helpful? 3t is 3 years old 4t is four years old.