1. There’s no “shirt” category, and this doesn’t really qualify as either a jacket or a pullover - I went with the lesser of two evils and filed it under jacket.

2. The pattern includes instructions and gauge for TWO yarn weights - fingering or DK! Thus the really wide range for yardage.

Materials, Fingering Weight
1585 (1750, 1895, 2075, 2225, 2350, 2525) yards fingering weight yarn
Crochet hooks sizes E & G (or size needed to obtain gauge)
2 split-lock markers
Gauge: 22 sts., 24 rows = 4” in Pattern A on larger size hook

Materials, DK Weight
1185 (1325, 1440, 1550, 1670, 1775, 1890) yards dk weight yarn
Crochet hooks sizes G & I (or size needed to obtain gauge)
2 split-lock markers
Gauge: 18 sts., 18 rows = 4” in Pattern A on larger size hook