Product Description Our exclusive Heatwave thermodynamic lining as a skull liner Seirus Heatwave Skull Liner at Outland USA Browse all Outland USA deals $20.99 In Stock at Outland USA Price checked 10 days ago Buy Now at Outland USA Secure checkout Easy returns or compare prices Amazon eBay Product Details Brand Seirus Gender Unisex MPN 2209.0.0010 Seirus