Briocheaven 8 sizes (see details below)

Sizes: 3/4y(5/6y, 7/8y, 9/10y) OR 30(32, 33, 35)”/76(81, 84, 89) cm chest circumference
Gauge: 12 stitches and 16 rows per 4” (10 cm) in Brioche st with fingering weight held double OR 1 strand of worsted weight.
Needles: (1) 24” (2) 40” circular needle in size needed to achieve gauge listed above (suggested size: US 10/6mm).
Materials Used: V1: Assorted fingering weight yarns held double, V2: Wool Addicts Air (Bulky; 84% merino wool/16% nylon; 137 yds/50 g, or ANY other yarn that knits up to desired gauge).
Yardage: 534(605, 690, 777) yds bulky/worsted weight yarn OR 1068(1210, 1381, 1555) yds fingering weight yarn held double.
Other notions: Buttons (models were ½”), stitch markers, crochet hook/tapestry needle, scrap yarn/stitch holder and scissors.
Final measurements: 30(32, 33, 35)”/76(81, 84, 89) cm chest circumference. Sweater is worn with approximately 6”/15 cm of positive ease.
A) Body circumference: 30(32, 33, 34)”/76(81, 84, 89) cm
B) Body length: 7.5(8.25, 10, 11)”/19(21, 25, 28) cm
C) Upper arm sleeve circumference: 
16(16.5, 17, 18)”/ 41(42, 43, 46) cm 
D) Sleeve length: 10.5(11.5, 12.5, 13.5)”/26.5(29, 31.5, 34.5) cm
E) Shoulder depth: 2”/5 cm
F) Garment length: 15.5(16.5, 18.5, 20)”/39(42, 47, 51) cm.
Special Techniques used: Brioche, German Short Row Method, 3-Needle BO Method, Jeny’s Surprisingly Stretchy BO.