California Republic T-Shirt Solid colors: 100% Cotton; Heather Grey: 90% Cotton, 10% Polyester; All Other Heathers: 50% Cotton, 50% Polyester Imported Machine wash cold with like colors, dry low heat Original California State Flag T-Shirts & Apparel. Put on the bear and be proud. Vintage Grunge California Republic T-Shirt. Lightweight, Classic fit, Double-needle sleeve and bottom hem