If you want to keep yourself warm and protected this winter with lightweight hat, you might want to check out this Navy White Hard Hat Liner. The lining is lined with 50% of polyester and 50% of acrylic, so it has warm, soft and light material. Outer side of this hat liner is 100% cotton and it features an elastic band hidden in the forehead of the hat, fitting up to XL.
Crown of this hat is pretty big measuring 13 inches deep and 7 inches wide. As this hat liner is long as well, the neck closure fully covers neck with velcrorised snap. Inside of this hat liner contains 2 pockets for heat pack and it is unique in a way that you can wear this hat inside out if you wish.