Meet Wool-Ease® Thick & Quick® Yarn! Wool-Ease® Thick & Quick® is the super bulky member of the Wool-Ease® family. It has the feel warmth and softness of wool with the easy care of acrylic. Perfect for extra warm sweaters jackets vests slippers and hats. It s an ideal beginner yarn. Fiber Detail: All: 80% Acrylic; 20% Wool / Wheat & Wood: 86% Acrylic; 10% Wool; 4% Rayon / Oatmeal & Barley & Grey Marble: 82% Acrylic; 10% Wool 8% Rayon / Graphite & Obsidian: 77% Acrylic 20% Wool 3% Other / Prints & Stripes: 80% Acrylic 20% Wool / Metallics: 79% Acrylic 20% Wool 1% Other