Seirus

The Seirus Heatwave Skull Liner utilizes our Heatwave Technology that gives you the Rapid Heat Return along with the Dual Stage Heating System. Wear alone or under a hat or protective headwear. It features Seirus exclusive Heatwave thermodynamic lining as a skull liner, flat seam construction, and reinforced stitching for lasting strength. The 4-way stretch material is cut and sewn to be form fitting and fits under a helmet.