This casual street style combination of a white long sleeve t-shirt and navy sweatpants is super easy to pull together without a second thought, helping you look amazing and prepared for anything without spending too much time digging through your wardrobe. Inject a sense of refinement into this outfit by finishing off with a pair of navy and white canvas low top sneakers. No doubt, it's easier to work through an extremely hot summertime day in a summery ensemble such as this one. This outfit demonstrates that in your thirties your dressing options are pretty much limitless.