This Nerd Loves WBEZ. Officially licensed WBEZ merchandise with a percentage of sales going to WBEZ. A Portion of All Raygun Sales Raise Money For Organizations That We Support. White Screen Print on a Heather Denim T-shirt (50% Combed Ringspun Cotton / 50% Polyester). Cut and sewn sweatshop free. Designed and printed by Union Labor at RAYGUN.