- Lightweight Insulation
- 100% LIFA®
- Flatlock Seams For Max Comfort
- Natural Stretch Fabric
The LIFA® T-shirt is a performance base layer, delivering lightweight insulation and wicking for everyday use and high-performance activities. Not only is it warm, it also moves moisture away from your skin so you stay dry and comfortable. HH® LIFA® is constructed with 100% LIFA® fibers that are quick-dry, 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.