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 | Water-resistant outer shell features smooth, breathable spacer fabric; Anti-microbial treatment on the inside layer to help keep mask fresh