Amazon.com: Regia 4-ply Color Sock Yarn 100g/3.5oz (1168 - Eternal)
Amazon.com : Regia Design Line, 4-Threaded by Arne & Carlos, Hand Knitting Wool/Yarn, Sock Yarn – per 100 g Ball, 75% New Wool, 25% Polyamide, Kollen., 16 x 9 x 7.5 cm : Arts, Crafts & Sewing
Amazon.com: Regia 4-ply Color Sock Yarn 100g/3.5oz (3707 - Blue Stripes)