Woolen-spun American Cormo & Wool Delicate shades of black, created for every mood and marbled with a dusting of color. This 3-ply American cor...View full details
DK stands for Double Knit. I'm honestly not sure the origins of that, but it is thicker than sport and not as thick as worsted weight.
Gauge is typically 5 - 5.5 stitches per inch.
Many DK weight yarns can be used for patterns that call for worsted (Alma, Nightshades, Daylights, Wool+Cotton). Other DK weight yarns work for patterns that call for sportweight (Sami, Manos Silk Blend).