Such staples as a light blue chambray long sleeve shirt and navy sweatpants are an easy way to introduce effortless cool into your daily wardrobe. Add a pair of white high top sneakers to the equation to instantly ramp up the street cred of this outfit. Stick with this one if you're scouting for a great summertime look. If you're often not sure how to dress appropriately for your age but also look fashionable, this combo is a foolproof option.