A white and black gingham long sleeve shirt and olive jeans are a must-have pairing for many sartorial-savvy guys. You could perhaps get a bit experimental with shoes and dial down this look with athletic shoes. This combo is also great if you're looking for summertime wear to make a tedious day more bearable.
A navy denim jacket and olive jeans are a good combination to add to your casual styling repertoire. Have some fun with things and add athletic shoes to the mix. So if it's a super hot hot weather day and you want to look dapper without exerting much effort, this look will do the job in no time flat.