HH LIFA® Light is a performance baselayer, delivering light weight insualtion and comfort for everyday use and high performance activities. HH LIFA® light constructed with 100% Lifa fiber is quick-dry, very breathable and super lightweight. Continually perfected over the last 40 years, Lifa® Stay Warm technology is the unique ingredient of all Helly Hansen base layers. Light weight insulation Flat lock seams Fitted 125g/m2 Helly stripes down the leg