Official XR5 Tactical Assault Rock Uniform 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 Official uniform shirt of the XR5 SWAT Unit which uses the XR5 Tactical Assault Rock exclusively as their tactical assault weapon of choice. Great gift for your favorite NRA member. Absorbent cotton also serves as bandaging in the unlikely event of a counter attack. Lightweight, Classic fit, Double-needle sleeve and bottom hem