Maxi Merino Maxi Merino Katia wool is a classic, with 55% Merino Wool and 45% Acrylic. It superwash treatment that makes it very easy to wash, you can also use dryer. The ball is 100 grams and 125 meters. Is knitted with needles of 5.5 to 6 mm. With 6 balls can make a size 42 jersey.