Size: Adult regular fit, One Size fits most. Also fits juniors and teens. Machine knit 80% Lambswool/20% Nylon blend. Fine and soft, the wool has both odor-resistant and hypoallergenic properties and is great at retaining warmth. Fully-lined with 100% polyester Comfort Plush for extra soft comfort and protection from the elements. Unique striped style and high quality design for reliable warmth. Goes great with any winter or cold weather outfit. The lambswool/nylon blend and fleece lining on this regular-fit, striped beanie ensure optimal warmth and comfort.