Michael by Patons & Baldwins

Michael

Knitting
7 stitches = 1 inch
in Stocking stitch
approx 12 months (19 inches underarm)
Flag of English English

Short sleeves and legs romper suit. Ribbed waist with cord tie threaded through holes. Three buttons for crotch opening. Simple knitted mesh triangle at neckline.
Patons baby wool used in pattern so could try 3 or 4ply yarn.