A white crew-neck t-shirt and beige skinny jeans are absolute must-haves if you're picking out a casual wardrobe that matches up to the highest sartorial standards. Let's make a bit more effort with footwear and add a pair of white leather low top sneakers to this look. This outfit isn't a hard one to score and it's summer-appropriate, which is most important when it's extremely hot outside. As a young gentleman, you probably want to start dressing like an adult man. If that's the case, combinations like this are ideal as inspiration.