Bosco is an oversized, loose boxy pullover knit seamlessly using chunky/bulky-weight yarn knit up on a needle size larger than you typically would to create a more loose fabric. Easy to wear and easy to knit!

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Sizes: XS (S, M, L) (XL, 2X, 3X, 4X)

Finished Bust Circumference: 44.5 (48.75, 51.5, 54.5) (57.5, 60.5, 64.75, 67.75)”/113 (124, 131, 138) (146, 154, 164, 172) cm 

Picking a Size: Shown in size S, being worn with approx 15”/38 cm of positive ease. To have a similar oversized fit, choose a size that is approx. 10-15”/25-38 cm larger than your actual bust measurement. For a less oversized fit, choose a size with approx 6-9”/15-23 cm of positive ease. 

Gauge: 11 sts & 15 rnds = 4”/10 cm in Broken Rib (in the rnd) after blocking 

Yarn: Approx 675 (750, 800, 850) (925, 975, 1050, 1100) yds of bulky-weight yarn, shown in Vintage Chunky by Berroco (50% Acrylic, 40% Wool, 10% Nylon; 100g = 130 yds), Cracked Pepper, 6 (6, 7, 7) (8, 8, 9, 9) skeins. 

Note: A larger-than-usual needle size for this yarn was used to attain this pattern’s gauge and creates a looser fabric. 

Needles and other supplies:

  • US 13/9 mm 32”/80 cm and 16”/40 cm circ needles, or size needed to obtain gauge.
    US 13/9 mm DPNs, or size used to obtain gauge (or you can use a 32”/80 cm circ if using magic loop method).
  • 1 stitch marker.
  • Scrap yarn.
  • Tapestry needle. 


  • Bosco is worked seamlessly from the bottom-up in one piece.
  • At underarms, front and back are divided and each worked separately up to neck, using short rows to shape shoulders.
  • Shoulders are seamed together using the Three Needle Bind-Off technique.
  • Sleeves are worked by picking up stitches around armholes and worked in the round to the cuff.
  • Stitches are picked up around neck and work in the round to create cowl.