This casual combo of a light blue long sleeve shirt and white jeans can take on different moods depending on the way it's styled. And if you wish to instantly perk up your outfit with one item, throw a pair of chelsea boots in the mix. This combo isn't a hard one to score and it's summer-friendly, which is most important when it's roasting hot outside. Well into your 30s, you want to start dressing maturely. If that's the case, inspiration like this comes in very handy.