The XTM Woodie Beanie is a 100% acrylic machine knit beanie with a toasty thinsulate lining. The hem can be folded up. Features and Specifications Fabric: 100% acrylic machine knit with Thinsulate lining 40 g/sqm WEIGHT: 91 grams One size fits most Roll up hem XTM Woodie Beanie - Acrylic Beanie with Thinsulate lining