Merino Baby Superfine merino wool is the softest and finest merino wool. And the finish is perfect. Superwash is allowing wash in the washing machine and use dryer. Composition: 100% Superfine Merino Weight 50 g. and measures 165 m. Recommended knitting needles 3 - 3,5 mm. To make a long sleeve Jersey Size 42, about 9 skeins are needed.