From the Oat Couture website:
“Have fun with all those great buttons the easy way! Just sew them onto a ribbed “band” and you’re finished - no buttonholes. The collar is optional since the V-neck is self-finished.”

Sizes: To Fit 31 (34, 37, 40, 43, 46, 49)” 79 (86.5, 94, 101.5, 109, 117, 124.5) cm bust
Finished Measurements: 36 (39, 42, 45, 48, 51, 54)” 91.5 (99, 107, 114, 122, 129.5, 137) cm at bust

Materials,Worsted Weight
1025 (1100, 1225, 1325, 1425, 1500, 1575) yds 975 (1045, 1165, 1260, 1355, 1425, 1495) m worsted weight yarn
Knitting needles sizes 7 & 9 (US) 4.5mm & 5.5mmize needed to obtain gauge)
1 extra needle size 9 or 10 (US) 5.5 or 6 mm
ring markers; split-lock markers
4 stitch holders; 7 buttons
Gauge: 18 sts, 24 rows = 4” 10cm in stockinette st. with
larger size needle

Materials,Chunky Weight
825 (875, 975, 1045, 1125, 1195, 1245) yds 785 (830, 925, 995, 1070, 1135, 1185 m chunky weight yarn
Knitting needles sizes 9 & 101/2 (US) 5.5mm & 6.5mmize needed to obtain gauge)
1 extra needle size 101/2 or 11 (US) 6.5 or 8 mm
ring markers; split-lock markers
4 stitch holders; 7 buttons
Gauge: 14 sts, 20 rows = 4” 10cm in stockinette st. with
larger size needle