The REI Co-op Women's Midweight Base Layer Crew Top is a reliable and versatile base layer top that is perfect for any outdoor activity. Made with REI Co-op's midweight fabric, this top offers excellent insulation and moisture-wicking properties. The crew neckline and long sleeves provide extra coverage and warmth, while the flatlock seams minimize chafing and irritation. Whether you're hiking, skiing, or simply enjoying a chilly day, this base layer top will keep you comfortable and protected.