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A three piece suit jacket with jeans is definitely workable for dressing up a casual look or for dressing down a formal look. This Dolce & Gabbana navy wool classic three-piece suit jacket looks casual enough to be worn with jeans. You would probably want to wear a long sleeved button down shirt under the jacket rather than a t-shirt. Although a polo t-shirt might work just fine.

Suggested additions…

Tonal blue cotton printed shirt from Dolce & Gabbana

Grey stretch cotton ’14 gold Stretch Fit’ denim jeans from Dolce & Gabbana

The color of this jacket is dark enough to make a pair of grey or black jeans work as well as a pair of blue jeans. Any color jeans raning from light blue to black can work with this jacket.

Silver-tone silk classic tie Dolce & Gabbana

If using the three piece suit jacket to dress up a casual look, consider adding a tie. This silver metallic silk tie will break away from the dark navy and grey to bring out the tonal blue of the shirt.

Black leather Siena Derby shoes Dolce & Gabbana

Black leather logo plaque buckle belt Dolce Gabbana

Black calf leather classic billfold wallet Dolce & Gabbana