The Under Armour Women's ColdGear Armour Crew Long Sleeve is a top-rated base layer top for women's running on Amazon. It is made with Under Armour's ColdGear fabric, which is designed to keep you warm, dry, and light in cold conditions. The top features a compression fit and a crew neck design for a snug and supportive feel. It has a brushed interior that traps heat and a smooth exterior that allows for easy layering. The four-way stretch construction provides a full range of motion, allowing you to move freely during your runs. Whether you're running in chilly weather or layering up for outdoor activities, this base layer top is a great choice for women's running.
