Black Lives Matter T-Shirt - Men's, Women's & Kids' Sizes 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 Black Lives Matter shirt - a simple tshirt with a simple message about a simple truth: that Black Lives Matter. Black lives matter, as do all lives. So why does society value them less? Help raise awareness and the visibility of the truth that black lives matter with this Black Lives Matter tshirt. Lightweight, Classic fit, Double-needle sleeve and bottom hem