Harkila Base Warm Zip Neck

The long-sleeve Harkila Base Warm undershirt is the warmest in Harkila's collection. It is made from a very soft, warm, breathable, and naturally temperature-regulating wool blend, making it an ideal midlayer in cold weather. The undershirt has a high collar that you can close snugly around the neck, or zip open to the chest when you need to cool down.

To see more from Harkila, visit the