Red Heart-Fashion Soft Yarn. The same Soft premium acrylic yarn you already love in a 3-ply light weight yarn great for projects that call for a lighter weight yarn. Weight Category: 3. Content: 100% Acrylic. Putup: 5oz/141g, 381yd/348m. Gauge: 25sx29r = 4in/10cm on size US6/6mm knitting needles. Suggested crochet hook size USg/4mm. Dyelotted: we try but are not always able to match dyelots. Care: machine wash, machine dry, do not iron, do not bleach, dry clean using P solvents.