New Blooms Collection A quick and easy knitting pattern for one to four year olds, the Petal Sweater Vest is perfect if you’re just starting to knit for little ones or you just want a speedy little project between bigger WIPs. Self-patterning Hayfield Blossom transforms this simple sleeveless sweater knitting pattern into a pretty cute present. You Will Also Need: 1 pair of 6½mm (UK3-USA10.5) Knitting Needles, 1 pair of 5½mm (UK5-USA9) Knitting Needles and Stitch Holders. Design Number: 5571