SHIELD by Santhome is a high quality, executive wear, premium quality polo, and coated with advanced Heiq Viroblock technology - a Swiss made anti-viral technology which is EU BPR and US FIFRA compliant. Heiq Viroblock builds a silver ion layer on the polo which affect the growth of any bacteria and virus on the polo. Polo is also moisture wicking with DryNCool moisture management technology. Content: 100% polyester Creaseless and comfort knit