Gore Bike Wear Women's Base Layer Lady TH Long Sleeve Shirt  (Black, Large) 92% POLYPROPYLENE,8% ELASTANE, Imported Functional long sleeve shirt. Fits like a second skin. Brushed polypropylene material provides a dry and warm feeling. Moisture is quickly transported outside. Tight fit Thermo-stretch functional fabric Minimized seams for less chafing Flat-lock seams Extra-long back Thermo-stretch functional fabric Minimized seams for less chafing Flat-lock seams