Helly Hansen say - Our LIFA® Merino Midweight collection is perfect for any type of activity in cold weather. We combined a 100% merino wool layer with our proven LIFA® Stay Warm tech in a 2-layer construction on this ½ zip. LIFA® Merino Midweight Base Layer delivers all the breathable warmth of merino wool fibers, plus the unique moisture management properties of LIFA® fibers.

Shell: 57% Merino Wool, 43% Polypropylene

LIFA® MERINO

2-layer construction

100% Merino wool exterior

Flat lock seams for ideal comfort and durability

Non-itch fabric

ZQ wool