Cascade Yarns Aereo is a cushy soft yarn that has a chainette nylon base surrounded by a fluffy Merino and alpaca halo. Lightweight and plush, the heavy worsted weight Aereo is a great choice for cozy cowls, hats, and even sweaters! With a colors spanning the whole rainbow and a range of neutrals, this yarn makes it easy to find the perfect match for your next knit or crochet project.