A white crew-neck t-shirt and a navy track suit are great menswear must-haves to integrate into your current casual repertoire. Give an elegant twist to your ensemble by rocking black and white canvas low top sneakers. So if you're after an outfit that's on-trend but also totally spring-appropriate, this one is great. Those wondering how to rock edgy casual outfits as you move into your 30s, this outfit should answer your question.