A hooded pullover is perfect for layering year-round.
For Women's small (medium, large, extra large), to fit 36 (38, 40, 42) inch bust, you'll need:
6 (7, 8, 8) hanks of Blue Sky Alpacas Worsted Cotton; or 17 (19, 21, 21) hanks of Sport Weight or Melange yarns.
