Gaea is a worsted 4ply yarn made from 21.5 micron Certified Organic Merino from Argentina.  It’s combed in Germany and spun in the U.S., both mills certified organic.    This is the mills bulky version.

Content of yarn: 100% Certified Organic 21.5 Micron Merino
Weight: 8 oz / 226g
Length: 305yds / 278m
Gauge: 16-22 stitches per 4 inches (10cm) on size 7-9 (4.5mm – 5.5mm) needles