3-layer thermal liner – Shoulder length design keeps head, ears and neck warm and covered
Flame-resistant outer shell – Modacrylic cotton-blend twill
Flame-resistant Mid-Layer – 3M™ FR Thinsulate™ for maximum warmth and protection in extremely cold environments
Fits comfortably under a helmet or hard hat without feeling too bulky
Elastic gather at forehead closes the gap between liner and forehead to keep the heat in and cold out
4 evenly spaced straps included on the outside of the liner to attach to hard hat or helmet suspension