Pattern includes a matching long-sleeve cardigan in girls’ sizes 4-10. Description from book for Little Glowworm Cardigan and Hat:

“Worked in easy stockinette stitch, this sweater is accented with bold checked borders. To make the cardigan for a boy, simply change the side of the button band. The hat, worked on a circular needle, includes eyelets, a drawstring, and a lower edge that rolls naturally.”