A homegrown local company named Eretz design recently produced some t-shirts for the DWSP. The neat thing is that they were made out of recycled bamboo.
Here is a link to their website. http://www.eretzdesign.net/
Surprisingly, they are very soft and extremely comfortable to wear.
And to see if anyone is reading this, I am going to mail one of these shirts to a lucky winner. All you have to do is be the first person to send me an e-mail at firstname.lastname@example.org with a photo of yourself in front of one of the downtown wayfinding kiosk map signs. This photo will be published on the blog, so you must be willing to allow that. But the shirts are valued at $25 retail and well worth the effort.