Sarah and Matt are the married dye team who make their yarn together in Phoenix, Arizona. Their colors are inspired by the adventure, travel and wanderlust that punctuates a good life. 757 Sock is a classic combo of superwash merino and nylon, as fundamental to sock knitting as the Boeing 757 plane is to traveling. This base holds up to washing and wearing, has wonderful stitch definition and shows color beautifully. Size is approx 463 yards/ 100g. 75% superwash merino wool, 25% nylon. See product page for more details. Fingering Weight.