If you want take your off-duty fashion game up a notch, pair a charcoal plaid blazer with navy jeans. You could perhaps get a bit experimental with shoes and add brown leather oxford shoes to the mix.
Charcoal Plaid Blazer with Navy Jeans Smart Casual Warm Weather Outfits For Men
Go effortlessly neat by wearing a charcoal plaid blazer and navy jeans. Make a bit more effort with shoes and complement this ensemble with a pair of dark brown leather tassel loafers.