The Men's Under Armour 2024 Base 2.0 Crew Base Layer is a great layer to help keep you warm once the temperatures start to drop. Made from fabric that wicks away moisture and dries quickly, you'll stay comfortable, while the four-way stretch ensures maximum mobility. For whatever your activity is during the fall and early winter months, wear the Men's Under Armour 2024 Base 2.0 Crew Base Layer.