Patagonia: Capilene Midweight Crew(Men)The Patagonia Capilene Midweight Crew 44425 shirt gives you a next-to-skin feel and acts as a warm under layer without adding bulk. With a smooth surface for easy layering, the Polartec Power Grid fabric retains warmth. Its collar is ribbed and its neck features an internal tape, offering chafe-free comfort. The offset shoulder seams and flatlock seams further reduce chafing. Its sleeves feature thumb loops to hold them in place and its droptail hem offers coverage. Lined with Capilene Midweight, the shirt also provides superior heat retention.