If you want to keep yourself warm and protected this winter with lightweight hat, you might want to check out this Blue Red Hard Solid Hat Liner. The lining is 100% lined with polyester fleece, 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. It also has neck closure with velcrorised strap band that goes around your chin for a secure fit. 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.