Logan Women’s Merino Wool Vest Logan 100% Merino Wool Women’s sleeveless sweater. This vest is sophisticated, trendy, and stylish all in one. This vest is lightweight, soft, non-itchy, warm in the cold and cool in the heat, and has a miraculous ability to resist odor. Features a raised collar with hood, full front zipper and two pockets. This wool knit vest is thigh length and displays a modern twist on the argyle pattern of triangles and diamond shapes.