My Oncologist Does My Hair 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 Funny and inspiring shirt for breast cancer patients (or patients with any form of cancer) who have lost their hair but give credit to their oncologist for the cool hairless look they now sport. Lightweight, Classic fit, Double-needle sleeve and bottom hem