Leisure Arts Hats, Scarves & Cowls Fair Isle Set Crochet ePattern- Beautiful Scandinavian scarf and hat. Crocheted using 4 medium weight yarn, and size I, 5.5mm hook. Includes a diagram to show changing of colors. Scarf measures approximately 7.5"x 62.5", hat measures approximately 20". Intermediate skill level. Originally published in Hats, Scarves & Cowls To Crochet 75547. 12 pages, PDF download.