The Rev It Core 2 Ladies Mid Layer Jacket is part of the latest REV'IT! collection. . The entry-level insulating mid layer Core 2 jacket is made to wear underneath practically any Rev It outer shell that doesn't come with a thermal liner, or to act as an easy slip-on, slip-off layer insulation. Augmenting your favorite light, warm weather riding jacket to make summer last that bit longer. . It's highly breathable, lightweight and easily packable. These three of the Core 2's characteristics work together to create an ideal mid layer. Since it's highly breathable, it allows your body to retain the heat it needs for you to stay warm and focused, while ridding you of unnecessary moisture that could cause you to cool down. . Because of its lightweight properties, you won't feel weighed down or uncomfortable. And it's easy to stow away in case you don't need it. For example, the Core 2 is compact enough to put under the seat of most bikes or put away in a backpack. Take it everywher