Pacific Chunky is a brilliant superwash merino and acrylic blend that knits like a dream! It works for children's wear too! With a vast range of wonderful colors, Pacific Chunky is as vibrant and varied as ever, with some neutrals and pastels thrown in for good measure. Pacific Chunky knits 12-14 stitches in 4 inches on US 10-11 (6-8mm) needles. It crochets 10-11 single crochets in 4 inches on US J-L (6-8mm) hooks. Machine Wash Warm. Tumble Dry Low.