The pattern uses 1 ball of self-striping Yo Yo (400g) for chest sizes 32 to 40 inches.

Sizes:
To fit chest / finished measurements
32” (81cm) / 33” (84cm)
34” (86cm) / 35” (89cm)
36” (91cm) / 37.5” (95cm)
38” (97cm) / 39.5” (100cm)
40” (102cm) / 41.25” (105cm)

Additional items needed:
5, 5, 6, 6, 6 buttons