Go through the range of Menâs Designer Real Leather Jacket which is used for the protection from the wind while riding a bike. This also protects the person from rain and snowfall that's why it is more common in the low-temperature region. This is guaranteed to keep you warm during these otherwise cold winter days. Menâs Designer Real Leather Jacket is available in huge varieties such as Mens Pure Designer Leather Jacket, Notch Collar Men Leather Jacket, Mens Shearling Lapel Collar Leather Jacket and much more. The thick fabric acts as a barrier of insulation, trapping your body heat and preventing it from escaping.