Men's Base Layers & Thermals

Built for professionals and trusted in all conditions, Helly Hansen men’s base layers are designed to keep you comfortable no matter the climate or activity. Featuring innovative LIFA® technology, they deliver superior moisture management by moving sweat away from your skin to keep you dry and performing at your best. Choose LIFA® for lightweight dryness if you run warm, LIFA® Merino for added warmth in colder conditions, or LIFA® ACTIVE for breathable comfort in the heat—each option engineered to regulate temperature and support you through every adventure.