Louis Garneau Drytex 3000 Crew Neck Base Layer Medium BlackThe Louis Garneau Drytex 3000 Crew Neck Base Layer has been developed by Louis Garneau with four levels of base layers, the 6000, 4000, 3000 and 2000 series. The 3000 Crew Neck base layer is best for medium outdoor intensity sports and offers superior stretch with a brushed inner face that regulates temperature through grids of airflow. Its seamless construction eliminates friction against the skin. Available in Black.690222152542