Helly Hansen Lifa Merino Midweight 1/2 Zip Black XL Thermal Underwear

A unique 2-in-1 base layer half-zip with a with a warm-breathable 100% merino wool exterior and a 100% LIFA® wicking interior. 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 1/2 zip. LIFA® Merino MIDWEIGHT delivers all the breathable warmth of merino wool fibers, plus the unique moisture management properties of LIFA® fibers.

Features:

• 2-layer construction
• Down insulated
• Extremely breathable
• Lightweight
• Heavy-duty durable