Gore Bike Wear Women's Base Layer Windstopper Lady Long Shirt 100% Polyester Imported This shirt is ideal for windy, cooler days. The combination of materials ensures rapid moisture wicking and protects against wind chill when riding. Tight fit Elastic WINDSTOPPER insert on front, over shoulders and on kidney area Thermo-stretch functional fabric Minimized seams for less chafing Flat-lock seams Extra-long back Elastic WINDSTOPPER insert on front, over shoulders and on kidney area Thermo-stretch functional fabric Minimized seams for less chafing