This casual street style pairing of a charcoal sweatshirt and black skinny jeans is extremely easy to put together without a second thought, helping you look seriously stylish and ready for anything without spending a ton of time digging through your wardrobe. To bring an air of stylish casualness to this getup, complement your outfit with athletic shoes. Perfect if you're scouting for some amazingly inspiring style for 20-year-old guys.