Smartwool Base layer Intraknit Active

You might be surprised to learn that layering can be the best way to keep your body comfortable and temperature regulated, even when it's not cold outside. With a fabric intentionally designed to help with moisture management and featuring mesh ventilation for breathability, our Men’s Intraknit™ Active Base Layer Long Sleeve will be the second skin your body needs when your activity steps up a notch. Stay comfortable by layering up!