Putting together a burgundy plaid dress shirt and navy jeans is a guaranteed way to infuse your day-to-day arsenal with some manly refinement. And if you want to easily level up this outfit with footwear, add a pair of brown suede tassel loafers to the mix. As you slip into your 30s, you want to start dressing maturely. If that's the case, ensembles like this become very relevant.