Casual Industrees are a clothing company based out of Seattle (a garage on Alki would be a little more specific), and all of their designs are related to the northwest. Check out their website to see what Casual Industrees is about.

In honor of the Seattle Supersonics being relocated to other, less exciting cities, Casual has just released this t-shirt:

I think the design is pretty self-explanatory. Order now before it sells out!