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 mobilityFlatlock seams and minimal stitching reduce irritationShort zip with underflap offers adjustable airflow and coverage