100% Superwash Merino like you’ve never seen it before. Toasty Wool is one of the hottest sock yarns in Europe! This yarn is a springy superwash merino. A 4-ply yarn, this is a nice and round yarn, strong for socks, so strong that you can forget any need for nylon in a sock yarn blend. 100 gram skeins, 438 yards per skein.