Wear a beige horizontal striped long sleeve t-shirt and khaki chinos and you'll look like the dapperest dude around. A pair of white leather slip-on sneakers immediately kicks up the classy factor of this getup. You're guaranteed to always look good even despite the unbearable heat if you have this outfit as a last-minute grab. This outfit shows that well into your 30s you have a vast array of dressing options.