One of the highest quality sock yarns available today, Zitron's Trekking XXL is a staple among sock knitters. Now available in Tweeds! Try Trekking XXL for weaving on your favorite portable loom like the Schacht Cricket or Flip. 75% Superwash Merino Wool, 25% Nylon; 459 yards per 100 gram skein; approx. 6.75 - 8 sts per inch; US 0 - 2 (3.00 - 3.00 mm) needles.