Shirtees Mickey Mouse hunting with Pluto allover graphic t-shirt tagged size 4 I believe buts like a modern 3T. Fits our son who wears 4T. The front graphic is like a synthetic material, perhaps nylon or poly. Some imperfect stitching at bottom hem and a tiny snag or two on front.
Measurements are
13.5 inches shoulder to hem
10.75 inches pit to pit