I Kill Cancer Funny T-Shirt. Cannabis Leaf Cancer Awareness. 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 Cancer shirts for men, cancer shirts for women. Fuck Cancer. T-shirts are fitted, for a looser fit please order a size larger than typical. Lightweight, Classic fit, Double-needle sleeve and bottom hem