Why are STS shirts best for you? They are UV protected fabrics that will protect your skin from ultraviolet rays which will increase time to fatigue and longer your fishing time. Dirt resistance fabrics will keep your handsome appearance along your fishing trip. You will NOT waste any time waiting for your shirt to get dry , in 10 minutes you will be ready. Main fabrics are enhanced with micro holes for boosting ventilation and a side mesh for boosting cooling effect. Antibacterial fabrics are treated with antibacterial agents for your skin health and reduce the smell of sweating in the intense body performance.