The RonHill Women's Vizion Bobble Hat is made from lightweight and breathable Regulite fabric. With a fleece band liner to keep you warm during physical activities, this textured fleecy hat features a high visibility bobble with 3M reflective threads. - A.D. Key Features: Regulite fabric Lightweight and breathable High visibility bobble with 3M reflective threads Fleece band liner Fabric composition: 100% Acrylic