While progress in the apparel world tends to be style-based, one Austrian company has taken some pretty impressive technological steps. When you wear PolychromeLab's forthcoming Roccia Rossa jacket with the orange side out, the jacket will cool your body temperature by dissipating your body's own radiation. But when you reverse it, the jacket's blue side will actually insulate to keep you warm.
With a temperature swing of ±6°C, this is no insignificant temperature difference, and could be incredibly helpful in fickle weather conditions. The cooling and heating effects are made possible by reflecting, dissipating, and absorbing infrared and ultraviolet radiation, using different PolychromeLab's proprietary fabrics and membranes.