Question: what is the difference between aran weight yarn and worsted?
Answer: Aran is a medium-weight yarn that can be made from any fiber, from wool to acrylic, and it's more commonly used in the U.K. than stateside. ... But here's the confusing part: Aran and worsted aren't exactly interchangeable, especially in the U.S. Aran actually weighs slightly more than worsted yarn.