The Lifa Merino Midweight 1/2 Zip, for men, from the brand Helly Hansen, is the zip version of the famous 2-in-1 base layer. This thermal base layer will be ideal for all your winter activities. Its double-layer construction combines a merino wool exterior with an interior featuring LIFA® Stay Warm technology. The Lifa Merino Midweight 1/2 Zip will provide you with all the technical properties you need in winter to perform; indeed, its design is odor-resistant, thermoregulating, and breathable. Its little extra? Its half-zip that allows you to open it according to your needs during physical exertion! Materials: 57% merino wool - 43% polypropylene Double-layer construction Lifa® Stay Warm Helly Hansen Lifa Merino Midweight 1/2 Zip - Base layer - Men's