A beige cardigan and a crew-neck t-shirt worn together are a sartorial dream for men who appreciate off-duty getups. Finishing with brown suede loafers is a fail-safe way to add some extra flair to this look. You know when it's blazing hot outside, sometimes only a killer outfit like this one can get you through the day. As you head into your 30s, you want to start dressing like a grown man. That's when outfits like this are a never-failing option.