Sugar Bush Yarn-Chill. Chill is a super bulky weight roving yarn made with 100% extra fine merino wool. For weather that is frosty, Chill is a roving yarn with a luxuriously plush, natural fiber designed to keep the chill out. It is a lofty 100% merino wool that won't weigh you down. Weight category: 6. Content: 100% Merino wool. Putup: 3.5oz/100g, 52yd/47m. Gauge: 9sts = 4in/10cm on size US13/9mm knitting needles. Suggested crochet hook size L11/8mm. Care: Wash gently by hand in water not exceeding 86F/30C. Do not bleach. Dry on a suitable flat surface. Do not iron or press. Do not dry clean. Dyelotted: we try but are not always able to match dye lots. Comes in a variety of colors. Each sold separately. Imported.