The Columbia Women's Glacial IV Half Zip Fleece is a popular base layer top among women runners on Amazon. It is made with Columbia's Glacial Fleece fabric, which provides lightweight warmth and breathability. The half-zip design allows for easy ventilation and temperature control. The mock neck collar offers extra coverage and protection against the cold. The slim fit design allows for easy layering and freedom of movement. Whether you're running on chilly mornings or hiking in cool weather, this base layer top is a reliable choice that offers both comfort and style.
