sport coat

Need a sportcoat for causual + events. I prefer to wear nice jeans and a
mock neck long sleeve shirt (if it works). Not much of a fashion person but
working on it. Any suggestions on colors, styles, types etc. would be
appreciated.
Also I have shoe issues. I can never seem to find the right shoes. A nice
list of colors/types with sock combo's for different occasions would
certainly be appreciated.
J