Terramar knows how to engineer natural fibers for a performance base layer. We have been doing it for more than forty years. The Thermawool Men’s Half Zip is designed to keep you warm, dry and comfortable in the mountains, in the woods and any other place you look for challenges. The secret is blending merino wool with just the right amount of microfibers to make the ideal technical fabric to breathe and manage moisture. We got it right!
ClimaSense Thermoregulation Technology keeps you comfortable in all conditions
NOTICE: Some products in this store can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Please check the product label for warning information. For more information go to P65Warnings.ca.gov. We cannot ship any products into California that are affected by Proposition 65.