This casual combo of a mint long sleeve shirt and a white crew-neck t-shirt is a real life saver when you need to look stylish in a flash. Finishing with black and white canvas high top sneakers is a fail-safe way to bring a more laid-back twist to your ensemble. A vivid example of transitional fashion, this look is a must-have this spring. Wondering how to master casual looks as you get into your 30s? This combination is the perfect answer.