Billabong Apparel Size Chart Mind your core heat and core style with this printed polar fleece flannel. Taking design inspiration from the staple flannel shirt, the Furnace hoody features a button-down silhouette, made from DWR-coated polar fleece for a drier, warmer take on the classic. The Furnace is finished with zippered hand pockets and a buttoned chest pocket. Features: - Chest pocket with flag label. - DWR water and wind-resistant finish - Zippered hand pockets - Button front - Adjustable hood - Core (standard) fit - Mechanical stretch - 100% polyester polar fleece