Vintage. 1940s aqua Girls Linen Spring coat. Handmade Matching hat. Am unsure of specific size. Coat measures: Shoulder seam to shoulder seam - 11.5” Top of collar to bottom of hem down back - 18.5” Armpit seam to armpit seam - 14” Sleeve: inseam- 7” shoulder to cuff- 12” Based on my internet search it could be a girls size 4