Stay warm when the temperature drops with the Steens Mountain?? Fleece Vest. Designed with cozy fleece material and Columbia's Modern Classic Fit, this vest is an ideal combination of cool-weather style and optimal comfort. 100% polyester MTR filament fleece, 250g. Full-zip front closure. Sleeveless vest design. Color block panels. Zippered security pockets. Modern Classic Fit. Center back length: 27.5 in.. Imported.