Our Pro Series™ shirts give you the freedom to move without ever losing that crisp, clean look. Breathable, durable and packed with technical features, they can handle anything you put them through. Pro Series Nikolai Classic Fit Shirt Product Features : 0 : Greater Arm Mobility for freedom of movementMoisture Movement Technology™ helps keep you drySun Protection Fabric™ gives you UV coverage, 1 : Breathable mesh yokeTaped placket and back neck seamUnderarm gusset Men's Pro Series Nikolai Classic Fit Shirt in White, Size: Small by Ariat