A crew-neck sweater and jeans are a combo that every modern gent should have in his off-duty wardrobe. Let your outfit coordination sensibilities truly shine by finishing off this ensemble with a pair of dark green suede derby shoes. Keep this combo in your front hall closet when spring sets it, and we promise you'll save time getting ready on more than one occasion. This combination demonstrates that figuring out how to dress stylishly as you head into your 40s is not that hard.