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. Water-resistant outer shell features smooth, breathable spacer fabric. Anti-microbial treatment on the inside layer to help keep mask fresh. Polyurethane open-cell foam lets air through but makes it hard for moisture & sweat to pass. 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. Lining fabric extends up & is strategically shaped to lay flat across the bridge of your nose