Under armour coldgear infrared sweater fleece beanie are constructed from a soft durable fleece fabric that delivers the ultimate protection from the cold under armour has used their coldgear infrared lining to absorb and retain heat from its thermo conductive inner coating these stylish beanies use storm technology to repels rain without sacrificing breath ability which is perfect for the winter or those chilly days this soft knit fabric design delivers comfort and warmth for extreme p