A brown harrington jacket and light blue ripped skinny jeans are among the fundamental pieces in any modern gent's great casual sartorial collection. A pair of loafers will introduce a classy aesthetic to the outfit. Keep this combination in your front hall wardrobe come warmer days, and we promise you'll save time getting ready on more than one morning. Ideal if you're on a mission for some amazingly inspiring casual style for 30-year-old guys.