"Tris" by Lana Grossa is a boucle yarn that has a center strand with oblong loops running on one side only while the small loops run on both sides of the thread. This quick knitting, bulky yarn is comprised of 43% acrylic, 36% wool, 11% nylon plus 10% mohair. The texture and blend of "Tris" works well for pullovers, sweaters, ponchos and wraps.