Heat Holders thermal hats are created with our high-performance thermal yarn and HEATWEAVER insulation lining to maximise the amount of warm air held close to your body. Brand: Heat Holders High-performance thermal yarn Heatweaver insulation lining Holds more warm air 0.00 1 DL D False Bags & Accessories 4.99 4.99 Heat Holders Aviator Hat - Black | Grattan