5.11 Tactical® specializes in providing men with high-quality base layers that offer superior comfort, durability, and utility. Designed to keep you cool and focused during intense situations, our base layers are perfect for everyday wear and for use with tactical equipment. Made from high-performance materials and advanced garment technologies, our base layers provide warmth, cooling, and moisture-wicking properties, making them ideal for any climate or situation. From our innovative holster shirt, a one-of-a-kind concealed carry weapon (CCW) undershirt, to our popular crew-neck undershirts available in loose and accelerated fits, as well as long and short sleeves, we have the perfect base layer for you. Additionally, our briefs and leggings offer superior support and airflow, ensuring that you can focus on the task at hand without any distractions. Invest in yourself and your comfort by choosing 5.11® Tactical's base layer products.