100% Polyester Warmth without weight: Knit with 50% Merino Wool / 50% Acrylic Knit; Soft, breathable and with natural moisture management properties, our premium grade Merino wool is blended with acrylic for the perfect mix of itch-free warmth. Perfect for snowshoeing, running, skiing or as an under helmet layer, this beanie stands up to all activities and temperatures, all season long. 3 cuff lining of 100% polyester micro fleece for an extra level of warmth and softness. Hand wash only; lay flat to dry. Size: Adult regular fit, One Size fits most. Also fits Juniors and Teens. Weight – 4.5 oz.