A performance base layer that works as hard as you do

The Thermawool 1/2 Zip utilizes a blend of Merino wool and just the right amount of microfibers to create a technical shirt that breathes, manages moisture, regulates body heat and protects you from the sun while feeling soft against the skin. Thermoregulation technology provides customized comfort through a wide range of temperatures, and ClimaSense fiber fusion technology adapts to your changing physiology to help control body temp.

• 87% polyester/13% Merino wool
• Brushed microfiber interior
• 1/2-zip front closure
• Flat seam construction to prevent chafing
• UPF 50+ sun protection
• Odor control technology neutralizes sweat and smells
• Moisture management technology wicks away sweat to keep you dry and comfortable
• Zippered gadget pocket on left chest