The Nike Tech Base Layer Long-Sleeve Top is imported. Built with a performance mindset and made for everyday wear, the Men's Nike Tech Base Layer Long-Sleeve Top is your secret weapon for staying warm, dry, and moving freely without missing a beat. That soft, stretchy polyester-spandex blend hugs you tight for a slim fit that layers like a dream or can be rocked solo. Plus, with insulating fabric that wicks sweat fast and a reflective chest graphic for low-light visibility, you'll feel unstoppable from gym runs to casual hangs.