This pattern is also part of the book Knitbot Essentials.

finished measurements

Chest: 33.25 (37.75, 41.25, 45.75, 50.25, 53.75, 58.25)” / 84.5 (96, 105, 116, 127.5, 136.5, 148) cm

Length: 19.5 (21, 21.25, 22.75, 23.25, 25.25, 27.5)” / 49.5 (53.5, 54, 58, 59, 64, 70) cm

yarn

4 (5, 5, 6, 7, 8, 9) skeins Quince & Co. Osprey (100% Wool; 170 yds; 100 g) in Peacoat

OR 680 (850, 850, 1020, 1190, 1360, 1530) yds of Aran weight yarn

gauge

14 sts and 20 rows = 4” / 10 cm in Stockinette stitch