How to Design the Perfect Custom Summer T-Shirt for Your Next Event

When the sun is shining and the calendar fills with festivals, family reunions, company picnics, and outdoor fundraisers, there’s one item that can tie it all together: custom summer t-shirts. These shirts help your group stand out, build excitement, create keepsakes, and show off your brand or theme with pride.

At Marathon Sportswear, we’ve helped hundreds of Chicago-based businesses and event organizers create standout custom t-shirts for summer. We know what works, what wears well, and what makes a lasting impression.