Made with high-performance UA materials, designed to be worn all day & when playing sports.Structured design sits up off the face & lips for added comfort & breathability.UA Iso-Chill fabric on interior lining & ear loops feels cool to the touch for as long as you wear it.Fabric is soft & smooth for next to face comfort & moves moisture from your mouth to the insert layer.Under Armour's mission is to make all athletes better through passion, design and the relentless pursuit of innovation.