Polo Sierra Noir Pentagon DHUNJCSBD Men Military Polo Shirt Breathable Army Combat Tactical Quick Men's Short Sleeve Tactical Polo Shirts Quick Dry Team Combat Top SIERRA POLO T SHIRT INSTINTO MILITAR. The Pentagon Sierra Polo T Shirt is a performance driven, lightweight shirt designed for active and professional use. Made from advanced technical fabric, it offers quick drying properties, breathable comfort, and anti odor functionality to keep you fresh throughout the day. Its ergonomic fit allows unrestricted movement, while the breathable construction ensures comfort even in warm conditions or high activity scenarios. The 3 button placket and classic collar provide a clean, professional appearance ??? making it suitable for casual, work, or tactical wear.