A black crew-neck t-shirt and navy jeans are an easy way to introduce extra cool into your daily collection. A pair of orange athletic shoes will immediately dial down an all-too-polished look. Keep this getup in your front hall wardrobe come warmer weather, and we promise you'll save time racking your brain for a look on more than one occasion. And if we're talking casual dressing ideas for 30-something men, this look looks cool on most men.