Versatile REI Co-op midweight base layer top, perfect for layering or wearing solo in mild weather. This long-sleeve pullover features a quarter-zip design for adjustable ventilation and easy on-off. Its streamlined design ensures a comfortable fit under outerwear, while the smooth, waffled texture adds a touch of visual interest. This top is ideal for hiking, running, or simply staying comfortable during your everyday activities. Keywords: REI Co-op, mens base layer, midweight top, quarter zip, pullover, long sleeve, activewear, hiking, running, outdoor, blue, performance, layering