The Under Armour Threadborne Siro 1/2-Zip Pullover is a great choice for athletes to use for warm-ups or casual wear. This Under Armour long-sleeve pullover is made with a unique textured fabric that offers greater stretch and recovery, an ultrasoft feel and breathable comfort. Its moisture-wicking and fast-drying, and designed not to cling when wet. An odor-fighting treatment keeps it smelling fresh longer. This Under Armour pullover has a 1/2-zip placket for easy on and off and a stand-up collar. Loose, full cut. 100% polyester. Machine washable. Imported. Sizes: M-2XL. Colors: Black, Steel Heather. Type: Pullovers.