This laid-back pairing of a shawl cardigan and a black crew-neck t-shirt is super easy to put together in no time flat, helping you look amazing and prepared for anything without spending too much time digging through your wardrobe. Finishing with charcoal canvas work boots is the simplest way to add a more relaxed touch to your ensemble. This ensemble shows how to kill it in the casual fashion department as a 20-something gentleman.