If you like practical combos, consider pairing a dark brown harrington jacket with a short sleeve shirt. And if you wish to effortlessly kick up this getup with one single item, why not introduce mustard suede loafers to the equation? When sunny days set in you're looking for an ensemble to keep you cool and seriously stylish –– this look is just the one you need. A no-brainer combo proper for men in their 30s who like to dress casually.