OccuNomix Hot Rods® Universal Hi-Viz Orange Classic Hard Hat Tube Liner is made of polyester for durability. It is designed to fit snugly over most regular brim hardhats.
Features
Fits snugly over most regular brim hard hats
100% polyester
Blocks wind tunneling inside the crown
Traps warmth to keep head and ears warm
Folds up on the outside of hard hat, when not needed during breaks