Helly Hansen LIFA Merino Lightweight T-Shirt A unique two-layer construction base layer with 100% Merino Wool to keep you feeling warm during the winter months. The Helly Hansen LIFA Merino T-Shirt uses a combination of Merino Wool and LIFA Stay Warm Technology, for an exceptionally comfortable and warm garment. These fantastic materials will also feel luxurious against your skin, therefore preventing itchiness. The T-Shirt also features moisture-wicking properties where sweat and external moisture is wicked away from the surface of your skin, as well as, ensuring you are kept cosy. The stretchy construction of the materials, also provides you with a great deal of flexibility, allowing you to move freely and conveniently. The top has a flatlock seam construction, meaning it sits comfortably against your skin, without causing irritation or chafing. Finally, natural anti-odorous technologies are present through the top, preventing the growth of odour-causing microbes.