Flat front khaki pants or chino in a darker color with a medium color polo shirt that complements your complexion like turquoise, red, or green for dark hair and tan skin or sky blue, peach, or lime green for pale hair and lighter skin. Sperry topsider deck shoes without socks. You could also wear striped shirts with white and those complimentary colors but either way, tuck the shirts in and wear a belt that matches the shoes. You could wear flat front shorts that aren't low rise and aren't touching the knees with the same shirts or solid tees and the Sperry shoes. With shorts, the shirts could be untucked with no belt.