3 oz/yd / 100 gsm (US), 5 oz/Lyd (CA), 92/8 nylon/spandex yarn dye woven. Moisture-management performance. Performance nylon fine shirting offers a crisp, professional look while staying cool and comfortable. Luxury, comfort and performance in one. Stretch for enhanced fit and restriction-free movement. Self-fabric collar with integrated collar stays. Hidden button-down collar. Double layer, bias cut back yoke. Adjustable cuffs with button placket.