Maintain a comfortable body temperature outdoors with men’s base layer tops. From winter treks to everyday city walks, the right base layer ensures your comfort with every step. Long-sleeved base layers in merino wool, like the Bergtagen Merino 190 LS, Abisko Wool LS, and Singi Merino Henley, showcase the insulating and breathable functionality of the material. The range also includes tops in quick-drying blends. Explore our base layers and pair yours with our trousers, sweaters and jackets for year-round comfort and performance.