Stay cooler and more comfortable than ever before with the Under Armour Coldblack Abyss Long-Sleeve Knit Shirt. Revolutionary Coldblack technology reflects heat and harmful UV rays for exceptional UPF 30+ sun protection. Quick-drying, stain-resistant 100\\% polyester HeatGear fabric wicks away moisture to keep you cool, dry, and light even in extremely warm weather. An ArmourBlock antimicrobial treatment helps reduce odors so you stay fresher longer. Strategic ventilation is built into the garment at the underarms and front collar for added breathability and comfort. The Coldblack Abyss Knit Shirt features a mock-neck collar; thumbholes at the sleeve cuffs; and an angled chest pocket with secure zipper closure. Regular fit. Imported.