Sigmas Blu Phi - Principles Shirt Brotherhood Scholarship 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 Principles - Brotherhood, Scholarship, Service Follow @greekdom101 on Instagram Lightweight, Classic fit, Double-needle sleeve and bottom hem