Gore Bike Wear Women's Base Layer Lady Turtleneck Shirt 92% POLYPROPYLENE,8% ELASTANE, Imported Functional long sleeve turtleneck shirt with front zipper for better ventilation. Fits like a second skin. Brushed polypropylene material provides a dry and warm feeling. Moisture is quickly transported outside. Tight fit Elastic WINDSTOPPER insert on front, at sleeves, over shoulders and on kidney area Thermo-stretch functional fabric Minimized seams for less chafing Flat-lock seams Close fit collar Elastic WINDSTOPPER insert on front, at sleeves, over shoulders and on kidney area Thermo-stretch functional fabric Minimized seams for less chafing Close fit collar