Woolen yarn is a type of yarn made from the fibers of sheep's wool. It is known for its warmth, softness, and elasticity, making it ideal for knitting and crocheting various garments and accessories. Woolen yarn is typically spun from carded wool, which gives it a fluffy texture and allows for better insulation. This yarn is often used in projects like sweaters, blankets, and hats, providing comfort during colder months. Woolen yarn can come in various weights and colors, allowing crafters to choose the perfect option for their knitting or crocheting projects.