You will need stitch holders and markers. You will also need a zipper measuring approximately 10" (26 cm). Finished measurements Chest circumference: 42.5 (46.5, 51, 55, 59.25, 63.5, 67.75, 71.75)" 108( 118, 129.5, 140, 150.5, 161.5, 172, 182.5) cm Finished length: 26.5( 27.25, 28.25, 29, 29.75, 30.5, 31.25, 32)" 67.5( 69.5, 71.5, 7.5, 75.5, 77.5, 79.5, 81.5) cm Sleeve seam: 18.5( 19.25, 20, 20.5, 20.75, 20.75, 21.25, 21.25) 47( 49,51, 52, 53, 53, 54, 54) cm Yarn used: Mode at Rowan Merino Soft Shade 015 Charcoal - 13( 14, 16, 18, 19, 21, 23, 25) balls Yarn weight DK (11 wpi) Gauge 15 stitches and 20 rows = 4 inches in Stockinette Stitch Needle size US 9 - 5.5 mm Yardage 1131 - 2175 yards (1034 - 1989 m) Sizes available 32-34( 36-38, 40-42, 44-46, 48-50, 42-54, 46-58, 60-62)" 81-86(91-97, 102-107, 112,-117, 122-127, 132-137, 142-147, 152-157) cm