Stay warm and stylish with the Nike Tech Base Layer Long Sleeve Top. Designed for performance and street wear, this top features a soft, stretchy, and insulating fabric that offers a comfortable, tight fit for a tech-inspired look. Mesh panels enhance breathability, ensuring you stay cool when active. The flat-stitch seams provide a smooth feel against the skin. Made from a blend of recycled polyester, lyocell, and elastane, this top is both functional and eco-conscious. Perfect for layering when the temperature drops. Key Features: - Insulating fabric for warmth - Breathable mesh panels - Comfortable tight fit - Flat-stitch seams for comfort - Tech-inspired design Summary: Nike men's long sleeve base layer top, black, size M, made from polyester, lyocell, and elastane blend. Features performance DNA, street style, soft and stretchy insulating fabric, flat-stitch seams, tight fit, mesh panels for airflow, and Nike Tech branding.