Helly Hansen Lifa Active Men's Baselayer Set - Black | Thermal Underwear for Cold Weather, Hiking & Outdoor Activities

LIFA stay warm technology is a unique fibre invented by Helly Hansen and used in their base layers for more than 40 years.

LIFA base layers are the perfect first layer to have next to the skin. LIFA active has a two layer construction with LIFA fibres next to the skin and a soft polyester exterior for rapid moisture wicking.

Helly Hansen Mens LIFA Active Base Layer Set

• Light weight insulation 
• Lifa Flow Technology 
• 2 layer construction 
• Lifa stay warm fibers inside 
• Wicking polyester outside 
• Flat lock seams 
• 130g/m2