Seibei, based in Poughkeepsie, NY, is selling these handsome MINIBOSS shirts in the Boing Boing Bazaar. Sizes range from ladies small to unisex XXX large.
Mark Frauenfelder is the founder of Boing Boing and the editor-in-chief of MAKE and Cool Tools. Twitter: @frauenfelder. His new book is Maker Dad: Lunch Box Guitars, Antigravity Jars, and 22 Other Incredibly Cool Father-Daughter DIY Projects