UV1 Undervest SS ShirtIt's the next phase of evolution in uniform shirts and it has developed into a favorite throughout the industry. The UV1 Undervest Shirt is worn under an Elbeco External Vest Carrier. It serves as a functional alternative to traditional uniform shirts while offering a professional appearance and the improved comfort of a performance polo. Visible portions of the UV1 match the look and fabric of Class A shirts and deliver the benefit of Nano Moisture