Design no 10155 Elevate your wardrobe this season with this classic British Intarsia Argyll sweater in Sirdar Haworth Tweed. The tweedy preppy Argyll pattern has been swiss darned. Featuring a crew neck and dropped sleeves for added cosiness. Knitting level: Advanced You will also need: 4mm (UK8 – USA6) Knitting Needles, 3.25mm (UK10 – USA3) Knitting Needles and Stitch Holders.