Product DNA The Fundamentals Compression: Ultra-tight, second skin fit HeatGear® fabric, with all the benefits of UA Compression, comfortable enough to be worn all day Stretch-mesh underarm panels deliver strategic ventilation UPF 30 protects your skin from the sun's harmful rays 4-way stretch construction moves better in every direction Material wicks sweat & dries really fast Body: 84% Polyester/16% Elastane Mesh: 93% Polyester/7% Elastane Imported This product is not available for returns