Knit the Garter Bar Cardigan for size S (M, L, XL, 2XL), finished chest measurement 36" (40", 44", 48", 52"), with 554 (660, 724, 755, 818) yards of Bulky Weight Alpaca Yarn. Suggested needles are US 11 (8mm), 32" (80cm) Circular Needles. You will also need a Stitch Holder, Stitch Markers, and a button.