HeatGear fabric – This anti sweat t-shirt is crafted using patented HeatGear technology which delivers coverage without weighing you down Strategic ventilation – The fitness t-shirt for men features mesh underarms and back panels for strategic ventilation Anti-odour technology – The long-sleeve shirt is crafted using anti-odour technology which prevents the growth of odour-causing microbes. Ergonomic design – The fitness clothing keeps seams off high abrasion areas and increases durability Hybrid raglan sleeves add range of motion Material and fit – Under Armor HG Armor Comp SS, men's t-shirt with short sleeves and ventilation, fit: compression, material: body: 84 percent Polyester/16 percent Elastane, mesh: 92 percent Polyester/8 percent Elastane. Color: black