Ten years of celebrating the ultimate apparel for showing the world which bands you love.
See how the day went down last year.
Alex Kapranos, Felix White and Kate Hutchinson tell Steve about their old band t-shirts.
Celebrating T-Shirt Day's 10th anniversary, Deyan Sudjic & Sebastian Conran talk t-shirts
Team Lamacq's Helen goes to see what it's like hawking band tees at a Chk Chk Chk gig.
Steve chats to the designer of one of the most iconic album covers of all time.
We headed off to the Design Museum to get a bit of advice from some experts.
The Slaves musician and artist spoke to Steve ahead of T-Shirt Day 2016.