Ergodyne N-Ferno Regular3-layer winter liner is made up of 100% poly fleece for durability. Liner features 100% quilted nylon shell with elastic gather at forehead for long lasting use and is sold as 12 per pack. 3-Layer Extreme Series Winter Liner. Color: Black. Shoulder Length. Shell: 100% quilted nylon. Mid-Layer: Foam. Lining: 100% poly fleece. Warming pack pockets. 12 per carton. Length: Shoulder. Black. Shell: Poly fleece, Mid-layer: Foam, Lining: 100% nylon. One size fits all. Type: Winter liner. Closure: Velcro. Applications: Construction, freight/baggage, drilling/mining, oil/gas refining, iron/steel work, delivery/service, landscaping/grounds, cold storage/warehousing, material handling. Designed to knock down wind and retain head heat. Thermal - product is designed to provide warmth. Fire resistance. Ergodyne N-Ferno Shouldder3-layer winter liner with warming pack pockets is ideal for construction, material handling applications and features mid layer foam construction for durability.