Hello,
The t-shirt brand is into nature, ecologic, mind balance and harmony, living joyful. Very good.
Now we need to define the target customer, the market. What is the age-group of the target customers, where do we find them, what are they wearing now and why. Which are the competing brands in the market. How are they sold, and what are they talking about (in their marketing collaterals).
There are a series of similar questions I have. I am a experienced marketing professional with experience spanning across traditional and digital marketing. I have personally named at least 5 brands.
It will be good to work with you on this assignment.