Infuse some fun into your day-to-day styling repertoire with a brown shearling jacket and blue ripped jeans. Brown leather work boots are a surefire way to add an element of stylish nonchalance to this ensemble. As you can see, this getup proves that good style and dressing warmly for the winter months are not mutually exclusive. Relaxed casual combos for guys in their 30s aren't actually that hard, as you can see.