Keep yourself and your crew warm in winter, cold weather seasons with Masterman's selection of hard hat liners. Popular materials include options made with cotton twill, polyester knit or fleece available in navy blue, black or tan color. Ergodyne tube liners fit around regular brim hard hats and are one size fits all items. Winter liners are similar to balaclavas by extending down to the neckline and shoulders. Additional warmth and comfort is gained with thermal, fleece or sherpa linings.