This is a moisture management jacket made of a wicking mesh material. It is very comfortable and large enough to wear over a sweatshirt.   It is available in the following stock colors:

            Black/white, Columbia Blue/black/white, Dark Green/black/white, Maroon/black/white, Navy/white, Purple/black/white, Red/black/white, Royal/black/white

These jackets breathe very well.  While it will keep you warm on those cooler days, it is also comfortable to wear on a warmer day because of the wicking mesh.