Hot CHILLYS thermal base layer for kids in light blue.  Cozy & warm turtleneck. 

Size X-Small (fit may range from 3-5T) - chest around armpits is 26", sleeve from shoulder to wrist is 16", and length from neck to hem is 14.5".  

Great condition with only minor wash wear - no stains, holes, fading, or signs of wear-and-tear...smoke-free home too!