This design is evocative of denim, with stitch accents and navy color. Denim fabric is often 11 - 14 ounces. Depending on the weight, the fade is completely different. These socks are based on the image of various fades.
These socks use Dralon cotton yarn, a cotton and acrylic mix yarn, and combed cotton yarn.Cotton by itself tends to result in socks that gradually become rougher and stiffer over many washes and wears.
Acrylic is a good material for socks, as it brings and maintains softness.