This turtleneck underlayer is built for peak comfort in any condition-from humid rides to the coldest days. Its thermo-stretch fabric, close-fit collar, and flatlock seams minimize chafing, while the short zip with a semi-lock slider adds ventilation control. Moisture is quickly pulled away from your skin to keep you dry and focused on every ride. Thermo-stretch fabric and close-fit collar enhance comfort and mobility Flatlock seams and minimal stitching reduce irritation Short zip with underflap offers adjustable airflow and coverage