Gore Bike Wear Men's Base Layer Windstopper Long Shirt 100% POLYESTER, WINDSTOPPERMEMBRANE, STRETCH FABRIC: 88% POLYPROPYLENE, 8% ELASTANE, 4% POLYAMIDE Imported For windy, cooler days; the material protects against wind-chill and ensures rapid moisture wicking Protects against the elements; WINDSTOPPER  windproof, water repellent, and with great breathability Tight fit; elastic WINDSTOPPER panels over kidneys, shoulders and arms, flatlock seams for minimal friction, long back Easy care, machine washable Contents: 1 mens long sleeve WINDSTOPPER Base Layer shirt Windproof long-sleeve shirt is ideal for windy and cold days. Provides warmth and quick moisture management. Protects from cooling in breast, shoulder and kidney area. Tight fit Elastic WINDSTOPPER insert on front, at sleeves, over shoulders and on kidney area Thin and soft fabric Minimized seams for less chafing Flat-lock seams