SKEINO's super bulky yarn Donna is used for this vest. The yarn is treated for easy care and feels super soft and silky. This thick yarn has an interesting multiply twist and makes it a fast project. To avoid knots, the yarn skeins are coming in a double size of 7 oz. (200 grams). The pattern is written for sizes S to XXL. You will need to order 3 skeins for sizes S to L and 4 skeins for sizes XL and XXL. The vest is knitted from the bottom up. Watch the tutorial for instructions and take a look at the pattern. All colors are hand painted in a technique so that they will not pool or zigzag. You will love the memory that this yarn has when the piece is finished.