The #845 REI Women's 2XS Blue/Gray Colorblock 1/4 Zip Mock Neck Stretch Active Top is a stylish and functional pullover designed for outdoor activities like hiking and running. Made of a blend of polyester and spandex, this top offers stretch for comfort and flexibility during movement. The colorblock design in blue and gray adds a sporty touch, while the mock neck and 1/4 zip closure provide extra warmth and versatility. With an athletic fit and long sleeves, this active top is perfect for active women looking for a high-performance piece of clothing.